{"id":4494,"date":"2022-09-24T19:44:08","date_gmt":"2022-09-24T19:44:08","guid":{"rendered":"https:\/\/www.studyzonebd.com\/math\/?p=4494"},"modified":"2022-09-24T20:04:14","modified_gmt":"2022-09-24T20:04:14","slug":"class-7-chapter-4-lesson-4-2","status":"publish","type":"post","link":"https:\/\/www.studyzonebd.com\/math\/class-7-chapter-4-lesson-4-2\/","title":{"rendered":"\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ea\u09b0\u09cd\u09a5\u0983 \u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09df \u09b0\u09be\u09b6\u09bf\u09b0 \u0997\u09c1\u09a3 \u0993 \u09ad\u09be\u0997 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ea.\u09e8 | \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ea\u09b0\u09cd\u09a5\u0983 \u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09df \u09b0\u09be\u09b6\u09bf\u09b0 \u0997\u09c1\u09a3 \u0993 \u09ad\u09be\u0997 | \u09ed\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Seven (07) <a href=\"https:\/\/en.wikipedia.org\/wiki\/Mathematics\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Math <\/a>Book Solution | <a href=\"https:\/\/www.studyzonebd.com\/math\">Chapter <\/a>04 : Multiplication and division of algebraic expressions<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ea\u09b0\u09cd\u09a5\u0983 \u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09df \u09b0\u09be\u09b6\u09bf\u09b0 \u0997\u09c1\u09a3 \u0993 \u09ad\u09be\u0997 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ea.\u09e8 : \u00a0\u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09af\u09bc \u09b0\u09be\u09b6\u09bf\u09b0 \u09ad\u09be\u0997<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ea\u09b0\u09cd\u09a5\u0983 \u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09df \u09b0\u09be\u09b6\u09bf\u09b0 \u0997\u09c1\u09a3 \u0993 \u09ad\u09be\u0997 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ea.\u09e8 \u098f\u09b0 \u09b8\u0995\u09b2 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 \u0993 \u0989\u09a4\u09cd\u09a4\u09b0 \u098f\u0996\u09be\u09a8\u09c7 \u09b0\u09df\u09c7\u099b\u09c7\u0964 \u09ed\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09be\u09a7\u09be\u09a8<\/p>\n\n\n\n<h4 class=\"has-text-align-center has-vivid-red-color has-text-color wp-block-heading\"><span style=\"text-decoration: underline;\">\u09ed\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u0997\u09a3\u09bf\u09a4 \u09ea\u09b0\u09cd\u09a5 \u0985\u09a7\u09cd\u09af\u09be\u09df \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ea.\u09e8 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 \u0993 \u09b8\u09ae\u09be\u09a7\u09be\u09a8<\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09aa\u09cd\u09b0\u09a5\u09ae<\/strong><\/b><b><strong>&nbsp;<\/strong><\/b><b><strong>\u09b0\u09be\u09b6\u09bf\u0995\u09c7<\/strong><\/b><b><strong>&nbsp;<\/strong><\/b><b><strong>\u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09df<\/strong><\/b><b><strong>&nbsp;<\/strong><\/b><b><strong>\u09b0\u09be\u09b6\u09bf<\/strong><\/b><b><strong>&nbsp;<\/strong><\/b><b><strong>\u09a6\u09cd\u09ac\u09be\u09b0\u09be<\/strong><\/b><b><strong>&nbsp;<\/strong><\/b><b><strong>\u09ad\u09be\u0997<\/strong><\/b><b><strong>&nbsp;<\/strong><\/b><b><strong>\u0995\u09b0\u0983<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7. 45a<sup>4<\/sup>, 9a<sup>2<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">45a<sup>4&nbsp;<\/sup>\/ 9a<sup>2<br><\/sup>=(45\/9)\u2715(a<sup>4<\/sup>\/a<sup>2<\/sup>)<br>=5\u2715a<sup>4-2<br><\/sup>=5a<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 5a<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8.&nbsp;&nbsp;-24a<sup>5<\/sup>, 3a<sup>2<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-24a<sup>5&nbsp;<\/sup>\/ 3a<sup>2<br><\/sup>=(-24\/3)\u2715(a<sup>5<\/sup>\/a<sup>2<\/sup>)<br>=-8\u2715a<sup>5-2<br><\/sup>=-8a<sup>3<br><\/sup>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 -8a<sup>3<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e9. 30a<sup>4<\/sup>x<sup>3<\/sup>, -6a<sup>2<\/sup>x<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">30a<sup>4<\/sup>x<sup>3&nbsp;<\/sup>\/ -6a<sup>2<\/sup>x<br>=(30\/-6)\u2715(a<sup>4<\/sup>\/a<sup>2<\/sup>)\u2715(x<sup>3<\/sup>\/x)<br>=-5\u2715a<sup>4-2<\/sup>\u2715x<sup>3-1<br><\/sup>=-5a<sup>2<\/sup>x<sup>2<br><\/sup>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 -5a<sup>2<\/sup>x<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09ea. -28x<sup>4<\/sup>y<sup>3<\/sup>z<sup>2<\/sup>, 4xy<sup>2<\/sup>z<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-28x<sup>4<\/sup>y<sup>3<\/sup>z<sup>2&nbsp;<\/sup>\/ 4xy<sup>2<\/sup>z<br>=(-28\/4)\u2715(x<sup>4<\/sup>\/x)\u2715(y<sup>3<\/sup>\/y<sup>2<\/sup>)\u2715(z<sup>2<\/sup>\/z)<br>=-7\u2715x<sup>4-1<\/sup>\u2715y<sup>3-2<\/sup>\u2715z<sup>2-1<br><\/sup>=-7x<sup>3<\/sup>yz<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 -7x<sup>3<\/sup>yz<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09eb. -36a<sup>3<\/sup>z<sup>3<\/sup>y<sup>2<\/sup>, -4ayz<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-36a<sup>3<\/sup>z<sup>3<\/sup>y<sup>2<\/sup>&nbsp;\/ -4ayz<br>=(-36\/-4)\u2715(a<sup>3<\/sup>\/a)\u2715(z<sup>3<\/sup>\/z)\u2715(y<sup>3<\/sup>\/y)<br>=9\u2715a<sup>3-1<\/sup>\u2715z<sup>3-1<\/sup>\u2715y<sup>2-1<br><\/sup>=9a<sup>2<\/sup>yz<sup>2<br><\/sup>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 9a<sup>2<\/sup>yz<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09ec. -22x<sup>3<\/sup>y<sup>2<\/sup>z, -2xyz<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-22x<sup>3<\/sup>y<sup>2<\/sup>z, \/ -2xyz<br>=(-22\/-2)\u2715(x<sup>3<\/sup>\/x)\u2715(y<sup>2<\/sup>\/y)\u2715(z\/z)<br>=11\u2715x<sup>3-1<\/sup>\u2715y<sup>2-1<\/sup>\u2715z<sup>1-1<br><\/sup>=11x<sup>2<\/sup>y\u27151<br>=11x<sup>2<\/sup>y<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 11x<sup>2<\/sup>y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09ed. 3a<sub>\u00ad<\/sub><sup>3<\/sup>b<sup>2<\/sup>-2a<sup>2<\/sup>b<sup>3<\/sup>, a<sup>2<\/sup>b<sup>2<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(3a<sub>\u00ad<\/sub><sup>3<\/sup>b<sup>2<\/sup>-2a<sup>2<\/sup>b<sup>3<\/sup>) \/ a<sup>2<\/sup>b<sup>2<br><\/sup>=(3a<sup>3<\/sup>b<sup>2<\/sup>\/a<sup>2<\/sup>b<sup>2<\/sup>)-(2a<sup>2<\/sup>b<sup>3<\/sup>\/a<sup>2<\/sup>b<sup>2<\/sup>)<br>=(3\u2715a<sup>3-2<\/sup>\u2715b<sup>2-2<\/sup>)-(2\u2715a<sup>2-2<\/sup>\u2715b<sup>3-2<\/sup>)<br>=(3a\u27151)-(2\u27151\u2715b)<br>=3a-2b<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 3a-2b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09ee. 36x<sup>4<\/sup>y<sup>3<\/sup>+9x<sup>5<\/sup>y<sup>3<\/sup>, 9xy<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(36x<sup>4<\/sup>y<sup>3<\/sup>+9x<sup>5<\/sup>y<sup>3<\/sup>) \/ 9xy<br>=(36x<sup>4<\/sup>y<sup>3<\/sup>\/9xy)+(9x<sup>5<\/sup>y<sup>3<\/sup>&nbsp;\/ 9xy)<br>=(4\u2715x<sup>4-1<\/sup>\u2715y<sup>3-1<\/sup>)\u2715(1\u2715x<sup>5-1<\/sup>\u2715y<sup>2-1<\/sup>)<br>=4x<sup>3<\/sup>y<sup>2<\/sup>+x<sup>4<\/sup>y<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 4x<sup>3<\/sup>y<sup>2<\/sup>+x<sup>4<\/sup>y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09ef. a<sup>3<\/sup>b<sup>4<\/sup>-3a<sup>7<\/sup>b<sup>7<\/sup>, -a<sup>3<\/sup>b<sup>3<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(a<sup>3<\/sup>b<sup>4<\/sup>-3a<sup>7<\/sup>b<sup>7<\/sup>) \/-a<sup>3<\/sup>b<sup>3<br><\/sup>=( a<sup>3<\/sup>b<sup>4<\/sup>&nbsp;\/-a<sup>3<\/sup>b<sup>3&nbsp;<\/sup>)-(3a<sup>7<\/sup>b<sup>7<\/sup>&nbsp;\/ -a<sup>3<\/sup>b<sup>3<\/sup>)<br>=(-a<sup>3-3<\/sup>\u2715b<sup>4-3<\/sup>)-(-3a<sup>7-3<\/sup>\u2715b<sup>7-3<\/sup>)<br>=(-1\u2715b)-(-3a<sup>4<\/sup>b<sup>4<\/sup>)<br>=-b+3a<sup>4<\/sup>b<sup>4<br><\/sup>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 -b+3a<sup>4<\/sup>b<sup>4<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09e6. 6a<sup>5<\/sup>b<sup>3<\/sup>-9a<sup>3<\/sup>b<sup>4<\/sup>, 3a<sup>4<\/sup>b<sup>4<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(6a<sup>5<\/sup>b<sup>3<\/sup>-9a<sup>3<\/sup>b<sup>4<\/sup>) \/3a<sup>4<\/sup>b<sup>4<br><\/sup>=(6a<sup>5<\/sup>b<sup>3<\/sup>\/3a<sup>4<\/sup>b<sup>4<\/sup>-(9a<sup>3<\/sup>b<sup>4<\/sup>&nbsp;\/3a<sup>4<\/sup>b<sup>4<\/sup>)<br>=(2\u2715a<sup>5-2<\/sup>\u2715b<sup>3-2<\/sup>)-(3\u2715a<sup>3-2<\/sup>\u2715b<sup>4-2<\/sup>)<br>=2a<sup>3<\/sup>b-3ab<sup>2<br><\/sup>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 2a<sup>3<\/sup>b-3ab<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09e7. 15x<sup>3<\/sup>y<sup>3<\/sup>+12x<sup>3<\/sup>y<sup>2<\/sup>-12x<sup>5<\/sup>y<sup>3<\/sup>, 3x<sup>2<\/sup>y<sup>2<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">15x<sup>3<\/sup>y<sup>3<\/sup>+12x<sup>3<\/sup>y<sup>2<\/sup>-12x<sup>5<\/sup>y<sup>3<\/sup>, 3x<sup>2<\/sup>y<sup>2<br><\/sup>=(15x<sup>3<\/sup>y<sup>3<\/sup>\/3x<sup>2<\/sup>y<sup>2<\/sup>)+(12x<sup>3<\/sup>y<sup>2<\/sup>\/3x<sup>2<\/sup>y<sup>2<\/sup>)-(12x<sup>5<\/sup>y<sup>3<\/sup>\/ 3x<sup>2<\/sup>y<sup>2<\/sup>)<br>=(5\u2715x<sup>3-2<\/sup>\u2715y<sup>3-2<\/sup>)+(4\u2715x<sup>3-2<\/sup>\u2715y<sup>2-2<\/sup>)-(4\u2715x<sup>5-2<\/sup>\u2715y<sup>3-2<\/sup>)<br>=5xy+4x\u27151-4x<sup>3<\/sup>y<br>=5xy+4x-4x<sup>3<\/sup>y<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 5xy+4x-4x<sup>3<\/sup>y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09e8.&nbsp;&nbsp;6x<sup>8<\/sup>y<sup>6<\/sup>z-4x<sup>4<\/sup>y<sup>3<\/sup>z<sup>2<\/sup>+2x<sup>2<\/sup>y<sup>2<\/sup>z<sup>2<\/sup>, 2x<sup>2<\/sup>y<sup>2<\/sup>z<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(6x<sup>8<\/sup>y<sup>6<\/sup>z-4x<sup>4<\/sup>y<sup>3<\/sup>z<sup>2<\/sup>+2x<sup>2<\/sup>y<sup>2<\/sup>z<sup>2<\/sup>) \/ 2x<sup>2<\/sup>y<sup>2<\/sup>z<br>=(6x<sup>8<\/sup>y<sup>6<\/sup>z \/2x<sup>2<\/sup>y<sup>2<\/sup>z) \u2013 (4x<sup>4<\/sup>y<sup>3<\/sup>z<sup>2<\/sup>&nbsp;\/2x<sup>2<\/sup>y<sup>2<\/sup>z)+(2x<sup>2<\/sup>y<sup>2<\/sup>z<sup>2<\/sup>&nbsp;\/ 2x<sup>2<\/sup>y<sup>2<\/sup>z)<br>=(3\u2715x<sup>8-2<\/sup>\u2715y<sup>6-2<\/sup>\u2715z<sup>1-1<\/sup>)-(2\u2715x<sup>4-2<\/sup>\u2715y<sup>3-2<\/sup>\u2715z<sup>2-1<\/sup>)+(1\u2715x<sup>2-2<\/sup>\u2715y<sup>2-2<\/sup>\u2715z<sup>2-1<\/sup>)<br>=(3x<sup>6<\/sup>y<sup>4<\/sup>\u27151)-(2x<sup>2<\/sup>yz)+(1\u27151\u27151\u2715z)<br>=3x<sup>6<\/sup>y<sup>4<\/sup>-2x<sup>2<\/sup>yz+z<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 3x<sup>6<\/sup>y<sup>4<\/sup>-2x<sup>2<\/sup>yz+z<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09e9<\/strong><\/b><b><strong>. 24a<sup>2<\/sup>b<sup>2<\/sup>c-15a<sup>4<\/sup>b<sup>4<\/sup>c<sup>4<\/sup>-9a<sup>2<\/sup>b<sup>6<\/sup>c<sup>2<\/sup>, -3ab<sup>2<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(24a<sup>2<\/sup>b<sup>2<\/sup>c-15a<sup>4<\/sup>b<sup>4<\/sup>c<sup>4<\/sup>-9a<sup>2<\/sup>b<sup>6<\/sup>c<sup>2<\/sup>) \/ -3ab<sup>2<br><\/sup>=(24a<sup>2<\/sup>b<sup>2<\/sup>c\/-3ab<sup>2<\/sup>)-(15a<sup>4<\/sup>b<sup>4<\/sup>c<sup>4<\/sup>\/-3ab<sup>2<\/sup>)-(9a<sup>2<\/sup>b<sup>6<\/sup>c<sup>2<\/sup>\/-3ab<sup>2<\/sup>)<br>=(-8\u2715&nbsp;a<sup>2-1&nbsp;<\/sup>\u2715b<sup>2-2&nbsp;<\/sup>\u2715c) -(-5\u2715&nbsp;a<sup>4-1&nbsp;<\/sup>\u2715b<sup>4-2&nbsp;<\/sup>\u2715c<sup>4<\/sup>)- (-3\u2715&nbsp;a<sup>2-1&nbsp;<\/sup>\u2715b<sup>6-2&nbsp;<\/sup>\u2715c<sup>2<\/sup>)<br>=-8ac+5a<sup>3<\/sup>b<sup>2<\/sup>c<sup>4<\/sup>+3ab<sup>4<\/sup>c<sup>2<br><\/sup>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983&nbsp;-8ac+5a<sup>3<\/sup>b<sup>2<\/sup>c<sup>4<\/sup>+3ab<sup>4<\/sup>c<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09ea<\/strong><\/b><b><strong>. a<sup>3<\/sup>b<sup>2<\/sup>+2a<sup>2<\/sup>b<sup>3<\/sup>, a+2b<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a+2b<strong>)<\/strong> a<sup>3<\/sup>b<sup>2<\/sup>+2a<sup>2<\/sup>b<sup>3<\/sup><strong>(<\/strong>a<sup>2<\/sup>b<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a<sup>3<\/sup>b<sup>2<\/sup>+2a<sup>2<\/sup>b<sup>3<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><sup>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<\/sup><u>(-)&nbsp;&nbsp;&nbsp;(-)<\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983&nbsp;a<sup>2<\/sup>b<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09eb<\/strong><\/b><b><strong>. 6x<sup>2<\/sup>+x-2, 2x-1<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2x-1<strong>)<\/strong> 6x<sup>2<\/sup>+x-2 <strong>(<\/strong>3x+2<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a06x<sup>2<\/sup>-3x<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>(-)\u00a0\u00a0(+)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04x-2<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04x-2<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>\u00a0(-) (+)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a03x+2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09ec<\/strong><\/b><b><strong>. 6y<sup>2<\/sup>+3x<sup>2<\/sup>-11xy, 3x-2y<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3x-2y<strong>)<\/strong> 6y<sup>2<\/sup>+3x<sup>2<\/sup>-11xy<strong>(<\/strong>x-3y<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03x<sup>2<\/sup>-2xy<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0\u00a0<u>(-)\u00a0\u00a0(+)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-9xy+6y<sup>2<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-9xy+6y<sup>2<br>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/sup><u>(+)\u00a0\u00a0\u00a0\u00a0\u00a0(-)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0x-3y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09ed<\/strong><\/b><b><strong>. x<sup>3<\/sup>+y<sup>3<\/sup>, x+y<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+y<strong>)<\/strong> x<sup>3<\/sup>+y<sup>3\u00a0<\/sup><strong>(<\/strong>x<sup>2<\/sup>-xy+y<sup>2<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0x<sup>3<\/sup>+x<sup>2<\/sup>y<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>(-) (-)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-x<sup>2<\/sup>y+y<sup>3<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-x<sup>2<\/sup>y-xy<sup>2<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>\u00a0\u00a0(+)\u00a0\u00a0\u00a0\u00a0\u00a0(+)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0xy<sup>2<\/sup>+y<sup>3<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0xy<sup>2<\/sup>+y<sup>3<br><\/sup>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<u>(-)\u00a0\u00a0\u00a0(-)<br><\/u>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a00<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0x<sup>2<\/sup>-xy+y<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09ee<\/strong><\/b><b><strong>. a<sup>2<\/sup>+4axyz+4x<sup>2<\/sup>y<sup>2<\/sup>z<sup>2<\/sup>, a+2xyz<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a+2xyz<strong>)<\/strong> a<sup>2<\/sup>+4axyz+4x<sup>2<\/sup>y<sup>2<\/sup>z<sup>2\u00a0<\/sup><strong>(<\/strong>a+2xyz<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0a<sup>2<\/sup>+2axyz<br>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<u>(-)\u00a0\u00a0(-)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02axyz+4x<sup>2<\/sup>y<sup>2<\/sup>z<sup>2<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02axyz+4x<sup>2<\/sup>y<sup>2<\/sup>z<sup>2<br><\/sup>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<u>(-)\u00a0 \u00a0 \u00a0 \u00a0 \u00a0(-)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 a+2xyz<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e7\u09ef<\/strong><\/b><b><strong>. 16pp<sup>4<\/sup>-81q<sup>4<\/sup>, 2p+3q<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2p+3q<strong>) <\/strong>16pp<sup>4<\/sup>-81q<sup>4<\/sup><strong> (<\/strong> 8p<sup>3<\/sup>-12p<sup>2<\/sup>q+18pq<sup>2<\/sup>-27q<sup>3<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0   16p<sup>4<\/sup>+24p<sup>3<\/sup>q<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0<u>(-)\u00a0\u00a0\u00a0\u00a0(-)             <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0            -24p<sup>3<\/sup>q<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0            \u00a0-24p<sup>3<\/sup>q-36pp<sup>2<\/sup>q<sup>2<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0          \u00a0<u>(+)\u00a0\u00a0\u00a0\u00a0\u00a0(+)                 <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0                      36pp<sup>2<\/sup>q<sup>2<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0                       36pp<sup>2<\/sup>q<sup>2<\/sup>+54pq<sup>3<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0                     \u00a0<u>(-)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(-)                <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0                                     54pq<sup>3<\/sup>-81q<sup>4<br>\u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/sup>                                         -54pq<sup>3<\/sup>-81q<sup>4<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0                                    <u>(+)\u00a0    \u00a0\u00a0(+)        <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0                                           0<br>\u2234 \u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a08p<sup>3<\/sup>-12p<sup>2<\/sup>q+18pq<sup>2<\/sup>-27q<sup>3<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09e6<\/strong><\/b><b><strong>. 64-a<sup>3<\/sup>, a-4<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a-4<strong>)<\/strong> -a<sup>3<\/sup>+64<sup>\u00a0<\/sup><strong>(<\/strong>-a<sup>2<\/sup>-4a-16<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-a<sup>3<\/sup>+4a<sup>2<br>\u00a0\u00a0\u00a0\u00a0<\/sup><u>(+)\u00a0\u00a0(-)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-4a<sup>2<\/sup>+64<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>-4a<sup>2<\/sup>+16a<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>\u00a0(+)\u00a0\u00a0\u00a0\u00a0(-)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-16a+64<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-16a+64<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>\u00a0(+)\u00a0\u00a0\u00a0\u00a0\u00a0(-)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0-a<sup>2<\/sup>-4a-16<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09e7<\/strong><\/b><b><strong>. x<sup>2<\/sup>-8xy+16y<sup>2<\/sup>, x-4y<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-4y<strong>)<\/strong> x<sup>2<\/sup>-8xy+16y<sup>2<\/sup>\u00a0<strong>(<\/strong>x-4y<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0x<sup>2<\/sup>-4xy<br>\u00a0 \u00a0 \u00a0\u00a0<u>(-)\u00a0\u00a0(+)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-4xy+16y<sup>2<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-4xy+16y<sup>2<br><\/sup>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<u>\u00a0 \u00a0(+)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(-)   <br><\/u>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0x-4y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09e8<\/strong><\/b><b><strong>. x<sup>4<\/sup>+8x<sup>2<\/sup>+15, x<sup>2<\/sup>+5<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>2<\/sup>+5<strong>)<\/strong> x<sup>4<\/sup>+8x<sup>2<\/sup>+15 <strong>( <\/strong>x<sup>2<\/sup>+3<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0x<sup>4<\/sup>+5x<sup>2<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>(-)\u00a0 \u00a0(-)<br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03x<sup>2<\/sup>+15<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03x<sup>2<\/sup>+15<br>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 <span style=\"text-decoration: underline;\"> \u00a0<\/span><u>(-)\u00a0\u00a0\u00a0\u00a0(-)   <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0x<sup>2<\/sup>+3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09e9<\/strong><\/b><b><strong>. x<sup>4<\/sup>+x<sup>2<\/sup>+1, x<sup>2<\/sup>-x+1<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>2<\/sup>-x+1 <strong>)<\/strong> x<sup>4<\/sup>+x<sup>2<\/sup>+1 <strong>(<\/strong>x<sup>2<\/sup>+x+1<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0x<sup>4<\/sup>+x<sup>2<\/sup>-x<sup>3<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>\u00a0\u00a0(-) (-) (+)    <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0x<sup>3<\/sup>+1<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0x<sup>3<\/sup>-x<sup>2<\/sup>+x<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>\u00a0\u00a0(-)(+)(-)    <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0x<sup>2<\/sup>-x+1<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0x<sup>2<\/sup>-x+1<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>(-) (+) (-)   <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0x<sup>2<\/sup>+x+1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09ea<\/strong><\/b><b><strong>. 4a<sup>4<\/sup>+b<sup>4<\/sup>-5a<sup>2<\/sup>b<sup>2<\/sup>, 4a<sup>2<\/sup>-b<sup>2<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4a<sup>2<\/sup>-b<sup>2\u00a0<\/sup><strong>)<\/strong> 4a<sup>4<\/sup>\u00a0-5a<sup>2<\/sup>b<sup>2<\/sup>+b<sup>4<\/sup><strong><sup>\u00a0<\/sup>(<\/strong>a<sup>2<\/sup>-b<sup>2<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04a<sup>4<\/sup>\u00a0-a<sup>2<\/sup>b<sup>2<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>(-)\u00a0\u00a0\u00a0\u00a0(+)   <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-4\u00a0a<sup>2<\/sup>b<sup>2<\/sup>+b<sup>4<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0-4\u00a0a<sup>2<\/sup>b<sup>2<\/sup>+b<sup>4<br><\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>(+)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(-)    <\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<br>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0a<sup>2<\/sup>-b<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09eb<\/strong><\/b><b><strong>. 2a<sup>2<\/sup>b<sup>2<\/sup>+5abd+3d<sup>2<\/sup>, ab+d<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ab+d<strong>)<\/strong> 2a<sup>2<\/sup>b<sup>2<\/sup>+5abd+3d<sup>2<\/sup><strong>\u00a0(<\/strong> 2ab+3d<br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02a<sup>2<\/sup>b<sup>2<\/sup>+2abd<br>\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0<span style=\"text-decoration: underline;\"> <u>(-)<\/u>\u00a0 \u00a0 \u00a0\u00a0<u>(-)<\/u>      <\/span> <br>\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a03abd+3d<sup>2<br><\/sup>\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a03abd+3d<sup>2<br><\/sup>\u00a0\u00a0 \u00a0\u00a0\u00a0<span style=\"text-decoration: underline;\"> \u00a0<u>(-)<\/u>\u00a0\u00a0\u00a0<u>(-)<\/u>     <\/span><br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a00<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a02ab+3d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09ec<\/strong><\/b><b><strong>. X<sup>4<\/sup>y<sup>4<\/sup>-1, x<sup>2<\/sup>y<sup>2<\/sup>+1<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>2<\/sup>y<sup>2<\/sup>+1<strong>)<\/strong> X<sup>4<\/sup>y<sup>4<\/sup>-1<strong>(<\/strong>x<sup>2<\/sup>y<sup>2<\/sup>-1<br>\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0x<sup>4<\/sup>y<sup>4<\/sup>+x<sup>2<\/sup>y<sup>2<br><\/sup>\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0<u>\u00a0(-) (-)   <\/u><br>\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0-x<sup>2<\/sup>y<sup>2<\/sup>-1<br>\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0-x<sup>2<\/sup>y<sup>2<\/sup>-1<br>\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0<u>\u00a0(+)<\/u>\u00a0\u00a0<u>(+)   <\/u><br>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0   0<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0x<sup>2<\/sup>y<sup>2<\/sup>-1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09ed<\/strong><\/b><b><strong>. 1-x<sup>6<\/sup>, 1-x+x<sup>2<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1-x+x<sup>2<\/sup><sub>\u00a0<\/sub><strong>)<\/strong> 1-x<sup>6\u00a0<\/sup><strong>(<\/strong>1+x-x<sup>3<\/sup>-x<sup>4<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01-x+x<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0       \u00a0<u>\u00a0(-)(+)(-)      <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0       \u00a0x-x<sup>2<\/sup>+x<sup>6<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0 \u00a0     x-x<sup>2<\/sup>+x<sup>3<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0    \u00a0<u>\u00a0(-) (+) (-)  <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0 \u00a0    -x<sup>3<\/sup>-x<sup>6<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0 \u00a0-x<sup>3<\/sup>+x<sup>4<\/sup>-x<sup>5<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0<u>\u00a0(+) (-) (+)  <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp; &nbsp;-x<sup>4<\/sup>+x<sup>5<\/sup>-x<sup>6<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp; &nbsp;-x<sup>4<\/sup>+x<sup>5<\/sup>-x<sup>6<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0<u>\u00a0(+) (-) (+)  <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0   0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983&nbsp;1+x-x<sup>3<\/sup>-x<sup>4<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09ee<\/strong><\/b><b><strong>. x<sup>2<\/sup>-8abx+15a<sup>2<\/sup>b<sup>2<\/sup>, x-3ab<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-3ab<strong>)<\/strong> x<sup>2<\/sup>-8abx+15a<sup>2<\/sup>b<sup>2\u00a0<\/sup><strong>(<\/strong>x-5ab<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">           x<sup>2<\/sup>-3abx<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">       <u>(-) (+)         <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">    -5abx+15a<sup>2<\/sup>b<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">    -5abx+15a<sup>2<\/sup>b<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <u>(+)\u00a0\u00a0\u00a0\u00a0(-<\/u><span style=\"text-decoration: underline;\"><u>)<\/u>  <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983&nbsp;x-5ab<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e8\u09ef<\/strong><\/b><b><strong>. x<sup>3<\/sup>y-2x<sup>2<\/sup>y<sup>2<\/sup>+axy, x<sup>2<\/sup>-2xy+a<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>2<\/sup>-2xy+a<strong>)<\/strong> x<sup>3<\/sup>y-2x<sup>2<\/sup>y<sup>2<\/sup>+axy <strong>(<\/strong>xy<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0          x<sup>3<\/sup>y-2x<sup>2<\/sup>y<sup>2<\/sup>+axy<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0      <u>(-)\u00a0\u00a0\u00a0(+) (-)      <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 xy<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e9\u09e6<\/strong><\/b><b><strong>. a<sup>2<\/sup>b+b<sup>2<\/sup>ca+c<sup>2<\/sup>ab, a+b+c<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a+b+c<strong>)<\/strong> a<sup>2<\/sup>b+b<sup>2<\/sup>ca+c<sup>2<\/sup>ab<strong>(<\/strong>abc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">            a<sup>2<\/sup>b+b<sup>2<\/sup>ca+c<sup>2<\/sup>ab<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">        <span style=\"text-decoration: underline;\">         <\/span><u>(-)\u00a0\u00a0(-)\u00a0\u00a0(-)        <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0     \u00a00<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983 abc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e9\u09e7<\/strong><\/b><b><strong>. a<sup>2<\/sup>x-4ax+3ax<sup>2<\/sup>, a+3x-4<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a+3x-4<strong>)<\/strong> a<sup>2<\/sup>x-4ax+3ax<sup>2\u00a0<\/sup><strong>(<\/strong>ax<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a<sup>2<\/sup>x-4ax+3ax<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<u>(-)\u00a0\u00a0\u00a0(+) (-)       <br><\/u>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00<br>\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0\u00a0ax<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e9\u09e8<\/strong><\/b><b><strong>. 81x<sup>4<\/sup>+y<sup>4<\/sup>-22x<sup>2<\/sup>y<sup>2<\/sup>, 9x<sup>2<\/sup>+2xy-y<sup>2<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">9x<sup>2<\/sup>+2xy-y<sup>2<\/sup><strong>)<\/strong> 81x<sup>4<\/sup>+y<sup>4<\/sup>-22x<sup>2<\/sup>y<sup>2<\/sup><strong>(<\/strong>9x<sup>2<\/sup>-2xy-y<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                     81x<sup>4<\/sup>+18x<sup>3<\/sup>y-9x<sup>2<\/sup>y<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                         <u>(-)\u00a0\u00a0\u00a0\u00a0\u00a0(-)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(+)    <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                            -18x<sup>3<\/sup>y-13x<sup>2<\/sup>y<sup>2<\/sup>+y<sup>4<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                           -18x<sup>3<\/sup>y-4x<sup>2<\/sup>y<sup>2<\/sup>+2xy<sup>3<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                            <u>(+)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(+)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(-)<\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                                    -9x<sup>2<\/sup>y<sup>2<\/sup>-2xy<sup>3<\/sup>+y<sup>4<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                                   -9x<sup>2<\/sup>y<sup>2<\/sup>-2xy<sup>3<\/sup>+y<sup>4<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                                 <u>(+)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(+)\u00a0\u00a0\u00a0\u00a0\u00a0(-)<\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0                      0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983&nbsp;9x<sup>2<\/sup>-2xy-y<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e9\u09e9<\/strong><\/b><b><strong>. 12a<sup>4<\/sup>+11a<sup>2<\/sup>+2, 3a<sup>2<\/sup>+2<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3a<sup>2<\/sup>+2<strong>)<\/strong> 12a<sup>4<\/sup>+11a<sup>2<\/sup>+2 <strong>(<\/strong> 4a<sup>2<\/sup>+1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">             12a<sup>4<\/sup>+8a<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">              <u>    (-)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(-)     <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                         3a<sup>2<\/sup>+2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                        3a<sup>2<\/sup>+2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">                     <u>(-)\u00a0\u00a0\u00a0(<\/u><span style=\"text-decoration: underline;\"><u>&#8211;<\/u>)    <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0          0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983&nbsp;4a<sup>2<\/sup>+1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e9\u09ea<\/strong><\/b><b><strong>. x<sup>4<\/sup>+x<sup>2<\/sup>y<sup>2<\/sup>+y<sup>4<\/sup>, x<sup>2<\/sup>-xy+y<sup>2<\/sup><\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>2<\/sup>-xy+y<sup>2<\/sup><strong>)<\/strong> x<sup>4<\/sup>+x<sup>2<\/sup>y<sup>2<\/sup>+y<sup>4\u00a0<\/sup><strong>(<\/strong>x<sup>2<\/sup>+xy+y<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>4<\/sup>+x<sup>2<\/sup>y<sup>2<\/sup>-x<sup>3<\/sup>y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><u>(-)&nbsp;&nbsp;(-)&nbsp;&nbsp;&nbsp;&nbsp;(+)<\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>3<\/sup>y+y<sup>4<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>3<\/sup>y-x<sup>2<\/sup>y<sup>2<\/sup>+xy<sup>3<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><u>(-)&nbsp;&nbsp;(+)&nbsp;&nbsp;&nbsp;(-)<\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>2<\/sup>y<sup>2<\/sup>-xy<sup>3<\/sup>+y<sup>4<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x<sup>2<\/sup>y<sup>2<\/sup>-xy<sup>3<\/sup>+y<sup>4<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><u>(-)\u00a0\u00a0(+)\u00a0\u00a0\u00a0\u00a0(-)   <\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983&nbsp;x<sup>2<\/sup>+xy+y<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><b><strong>\u09e9\u09eb<\/strong><\/b><b><strong>. a<sup>5<\/sup>+11a-12, a<sup>2<\/sup>-2a+3<\/strong><\/b><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a<sup>2<\/sup>-2a+3<strong>)<\/strong> a<sup>5<\/sup>+11a-12<strong>(<\/strong>a<sup>3<\/sup>+2a<sup>2<\/sup>+a-4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a<sup>5<\/sup>-2a<sup>4<\/sup>+3a<sup>3<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><u>(-)&nbsp;&nbsp;(+)&nbsp;&nbsp;(-)<\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2a<sup>4<\/sup>-3a<sup>3<\/sup>+11a-12<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2a<sup>4<\/sup>-4a<sup>3<\/sup>+6a<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><u>(-)&nbsp;&nbsp;(+)&nbsp;&nbsp;(-)<\/u><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a<sup>3<\/sup>-6a<sup>2<\/sup>+11a-12<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a<sup>3<\/sup>-2a<sup>2<\/sup>+3a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><u>(-)\u00a0\u00a0(+)\u00a0\u00a0(-<\/u><span style=\"text-decoration: underline;\"><u>)<\/u>  <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-4a<sup>2<\/sup>+8a-12<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-4a<sup>2<\/sup>+8a-12<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><u>(+)\u00a0\u00a0\u00a0(-)\u00a0\u00a0\u00a0(+<\/u><span style=\"text-decoration: underline;\"><u>)<\/u>  <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0\u00a0\u00a0 \u00a0\u00a00<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234 \u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09df \u09ad\u09be\u0997\u09ab\u09b2\u0983\u00a0a<sup>3<\/sup>+2a<sup>2<\/sup>+a-4<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>tags: <\/em>Class 7 Math book solution BD pdf,Math lecture guide for class 7,class 7 math bd pdf, \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u0997\u09a3\u09bf\u09a4 \u09b8\u09aa\u09cd\u09a4\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0-\u09ea.\u09e8 \u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09df \u09b0\u09be\u09b6\u09bf\u09b0 \u09ad\u09be\u0997\r<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ea\u09b0\u09cd\u09a5\u0983 \u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09df \u09b0\u09be\u09b6\u09bf\u09b0 \u0997\u09c1\u09a3 \u0993 \u09ad\u09be\u0997 | \u09ed\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Seven (07) Math Book Solution | Chapter 04 : Multiplication and division of algebraic expressions \u0985\u09a7\u09cd\u09af\u09be\u09df \u09ea\u09b0\u09cd\u09a5\u0983 \u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09df \u09b0\u09be\u09b6\u09bf\u09b0 \u0997\u09c1\u09a3 \u0993 \u09ad\u09be\u0997 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ea.\u09e8 : \u00a0\u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09af\u09bc \u09b0\u09be\u09b6\u09bf\u09b0 \u09ad\u09be\u0997 \u0985\u09a7\u09cd\u09af\u09be\u09df \u09ea\u09b0\u09cd\u09a5\u0983 \u09ac\u09c0\u099c\u0997\u09a3\u09bf\u09a4\u09c0\u09df \u09b0\u09be\u09b6\u09bf\u09b0 \u0997\u09c1\u09a3 \u0993 \u09ad\u09be\u0997 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ea.\u09e8 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4333,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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\u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Seven (07) Math Book Solution. 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