(2x^3-5x^2+3x-2)除以(-x+1+2x^2)等于什麽
3个回答
2x^3-5x^2+3x-2
=(2x^3-x^2+x)-(4x^2-2x+2)
=x(2x^2-x+1)-2(2x^2-x+1)
=(x-2)(2x^2-x+1)
结果为x-2
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