摘要:把下列各式分解因式: ⑴, ⑵ax2-4ax+4a, ⑶(x-1)2-9, ⑷121(a-b)2-169(a+b)2, ⑸(x+y)2-4, ⑹25+2-10, ⑺, ⑻(x2-1)2+6(1-x2)+9.
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把下列各式分解因式
(1)12a3b2-9a2b+3ab;
(2)a(x+y)-(a-b)(x+y);
(3)121x2-144y2;
(4)4(a-b)2-(x-y)2;
(5)(x-2)2+10(x-2)+25;
(6)a3(x+y)2-4a3c2.
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(1)12a3b2-9a2b+3ab;
(2)a(x+y)-(a-b)(x+y);
(3)121x2-144y2;
(4)4(a-b)2-(x-y)2;
(5)(x-2)2+10(x-2)+25;
(6)a3(x+y)2-4a3c2.