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因式分解:(x-y)³-2(y-x)²
人气:488 ℃ 时间:2020-01-27 00:37:29
解答
原式=x³-3x²y+3xy²-y³-2(x²-2xy+y²)=(x-y)²(x-y-2)因式分解(分解因式)Factorization,把一个多项式化为几个最简整式的积的形式,这种变形叫做把这个多项式因式分解,也叫作...
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