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因式分解3x^2(x-y)+6x(y-x)
人气:105 ℃ 时间:2020-04-06 02:07:10
解答
3x^2(x-y)+6x(y-x)
=3x^2(x-y)-6x(x-y)
=(x-y)(3x^2-6x)
=3x(x-y)(x-2)
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