分解因式 8xy(x-y)-2(y-x)的3次方
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8xy(x-y)-2(y-x)³
=8xy(x-y)+2(x-y)³
=2(x-y)[4xy+(x-y)²]
=2(x-y)(4xy+x²-2xy+y²)
=2(x-y)(x²+2xy+y²)
=2(x-y)(x+y)²
=8xy(x-y)+2(x-y)³
=2(x-y)[4xy+(x-y)²]
=2(x-y)(4xy+x²-2xy+y²)
=2(x-y)(x²+2xy+y²)
=2(x-y)(x+y)²
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展开全部
8xy(x-y)-2(y-x)³
=8xy(x-y)+2(x-y)³
=2(x-y)[4xy+(x-y)²]
=2(x-y)(x²+y²+2xy)
=2(x-y)(x+y)²
=8xy(x-y)+2(x-y)³
=2(x-y)[4xy+(x-y)²]
=2(x-y)(x²+y²+2xy)
=2(x-y)(x+y)²
已赞过
已踩过<
评论
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你对这个回答的评价是?
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