字典翻译 问答 其它 x(x+y)(x-y)-x(x+y)²因式分解,解答
问题标题:
x(x+y)(x-y)-x(x+y)²因式分解,解答
问题描述:

x(x+y)(x-y)-x(x+y)²因式分解,解答

刘慧娟回答:
  x(x+y)(x-y)-x(x+y)²   =x(x+y)(x-y-x-y)   =-xy²(x+y).
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