(x+1)(x-2)-(6x2-5x)除以x

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(x+1)(x-2)-(6x2-5x)除以x(x+1)(x-2)-(6x2-5x)除以x(x+1)(x-2)-(6x2-5x)除以x(x+1)(x-2)-(6x2-5x)除以x=(x+1)(x-2)-

(x+1)(x-2)-(6x2-5x)除以x
(x+1)(x-2)-(6x2-5x)除以x

(x+1)(x-2)-(6x2-5x)除以x
(x+1)(x-2)-(6x2-5x)除以x
=(x+1)(x-2)-(6x-5)
=x²-x-2-6x+5
=x²-7x+3

兄弟,你的题目表意不明

(X*X+4X-14)/X