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因式分解3x三次方-4x平方+3x-2
人气:270 ℃ 时间:2019-07-29 19:28:42
解答
3x^3-4x^2+3x-2
=3x^3-3x^2-x^2+x+2x-2
=3x^2(x-1)-x(x-1)+2(x-1)
=(3x^2-x+2)(x-1)
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