计算：x^2(x-1)-2x(x^2-2x+3)

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计算：x^2(x-1)-2x(x^2-2x+3)计算：x^2(x-1)-2x(x^2-2x+3)计算：x^2(x-1)-2x(x^2-2x+3)x^2(x-1)-2x(x^2-2x+3)=X^3-X^

计算：x^2(x-1)-2x(x^2-2x+3)
计算：x^2(x-1)-2x(x^2-2x+3)

计算：x^2(x-1)-2x(x^2-2x+3)
x^2(x-1)-2x(x^2-2x+3)
=X^3-X^2-2X^3+4X^2-6X
=-X^3+3X^2-6X

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