因式分解:(x-y)³+(y-x)

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因式分解:(x-y)³+(y-x)

因式分解:(x-y)³+(y-x)
因式分解:(x-y)³+(y-x)

因式分解:(x-y)³+(y-x)
(x-y)³+(y-x)
=(x-y)[(x-y)²-1]
=(x-y)(x-y+1)(x-y-1)