因式分解:(x+y)的平方(x-y)的平方-(x-y)(x+y)(x的平方+y的平方)

2024-11-17 13:46:14
推荐回答(1个)
回答1:

(x+y)(x-y)-(x-y)(x+y)(x+y) =(x-y)-(x-y)(x+y) =(x-y)(x-y-x-y) =-2y(x+y)(x-y)

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