因式分解:(x+y)2(x-y)-(x+y)(x-y)2.

发布时间:2020-08-13 01:12:25

因式分解:(x+y)2(x-y)-(x+y)(x-y)2.

网友回答

解:(x+y)2(x-y)-(x+y)(x-y)2
=(x+y)(x-y)[(x+y)-(x-y)]
=2y(x+y)(x-y).
解析分析:直接找出多项式的公因式进而提取公因式得出即可.

点评:此题主要考查了提取公因式法分解因式,正确找出多项式的公因式是解题关键.
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