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提公因式法因式分解:3(y-x)²+2(x-y)
人气:305 ℃ 时间:2020-05-02 02:40:07
解答
3(y-x)²+2(x-y)
=3(x-y)²+2(x-y)
=(x-y)[3(x-y)+2]
=(x-y)(3x-3y+2)
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