6x^3-18x^2+3x

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6x^3-18x^2+3x6x^3-18x^2+3x6x^3-18x^2+3xX(6×x²-18+3)什么?6x^3-18x^2+3x=3x(2x^2-6x+1)3X[2﹙X-3/2﹚

6x^3-18x^2+3x
6x^3-18x^2+3x

6x^3-18x^2+3x
X(6×x²-18+3)

什么?

6x^3-18x^2+3x=3x(2x^2-6x+1)

3X[2﹙X-3/2﹚²-7/2]
这样对吗?

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