分解因式x²(x-y)+(y-x)
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=x^2(x-y)-(x-y)
=(x^2-1)(x-y)
=(x-1)(x+1)(x-y)
=(x^2-1)(x-y)
=(x-1)(x+1)(x-y)
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x²核睁(x-y)+(y-x)
=x²(雀兄x-y)-(x-y)改岁岁
=(x-y)(x^2-1)
=(x-y)(x+1)(x-1)
=x²(雀兄x-y)-(x-y)改岁岁
=(x-y)(x^2-1)
=(x-y)(x+1)(x-1)
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展开全部
x²(x-y)+(y-x)
=x²(x-y)-(x-y)
=(x-y)(x²-1)
=(x-y)(x+1)(x-1)
=x²(x-y)-(x-y)
=(x-y)(x²-1)
=(x-y)(x+1)(x-1)
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评论
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