因式分解:x2(x-y)-y2(x-y)=________.

发布时间:2020-07-30 12:17:36

因式分解:x2(x-y)-y2(x-y)=________.

网友回答

(x-y)2(x+y)
解析分析:先提取公因式(x-y),再对余下的多项式利用平方差公式继续分解.

解答:x2(x-y)-y2(x-y)
=(x-y)(x2-y2)
=(x-y)(x+y)(x-y)
=(x-y)2(x+y).
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