化简x3-x2/x2+x-2

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化简x3-x2/x2+x-2

(x^3-x^2)/(x^2+x-2)=x^2(x-1)/[(x+2)(x-1)]=x^2/(x+2)

=x²/(x+2)

[x³-x²]/[x²+x-2]
=[x²(x-1)]/[(x-1)(x+2)]
=x²/(x+2)
如果满意望采纳！

x3-x2/x2+x-2
=x^2(x-1)/(x-1)*(x+2)
=x^2/（x+2）
请采纳，谢谢

原式=x^2(x-1)/(x-1)(x+2)=x^2/(x+2)

结果都很正确··哈

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