摘要:(1)x(x-y)-y(y-x) (2)-12x3+12x2y-3xy2 (3)(x+y)2+mx+my (4)a(x-a)(x+y)2-b(x-a)2(x+y)
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分解因式:
(1)x(x-y)-y(y-x);
(2)-12x3+12x2y-3xy2;
(3)(x+y)2+mx+my;
(4)a(x-a)(x+y)2-b(x-a)2(x+y)。
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(1)x(x-y)-y(y-x);
(2)-12x3+12x2y-3xy2;
(3)(x+y)2+mx+my;
(4)a(x-a)(x+y)2-b(x-a)2(x+y)。