分解因式:(1)x2(x-y)+(y-x);(2)3ax2-6axy+3ay2.

发布时间:2020-07-29 16:53:47

分解因式:(1)x2(x-y)+(y-x);(2)3ax2-6axy+3ay2.

网友回答

解:(1)原式=(x-y)(x2-1),
=(x-y)(x-1)(x+1);


(2)原式=3a(x2-2xy+y2),
=3a(x-y)2.
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