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数学
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(x-1)^2(3x-2)+(2-3x)用因式分解
人气:378 ℃ 时间:2020-04-01 05:28:27
解答
原式=(x-1)²(3x-2)-(3x-2)
=[(x-1)²-1](3x-2)
=(x-1+1)(x-1-1)(3x-2)
=x(x-2)(3x-2)
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