(10/x^+3x-4)-(x+1/x-1)+1

学习 时间:2026-08-23 12:08:35 阅读:4538
(10/x^+3x-4)-(x+1/x-1)+1如题 ..

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勤奋的羊

勤奋的蚂蚁

2026-08-23 12:08:35

=10/(x+4)(x-1)-(x+1)(x+4)/(x+4)(x-1)+(x+4)(x-1)/(x+4)(x-1)=(10-x^2-5x-4+x^2+3x-4)/(x+4)(x-1)=(-2x+2)/(x+4)(x-1)=-2(x-1)/(x+4)(x-1)=-2/(x+4)

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  • 端庄的猎豹
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    2026-08-23 12:08:35

    =10/(x+4)(x-1)-(x+1)(x+4)/(x+4)(x-1)+(x+4)(x-1)/(x+4)(x-1)=(10-x^2-5x-4+x^2+3x-4)/(x+4)(x-1)=(-2x+2)/(x+4)(x-1)=-2(x-1)/(x+4)(x-1)=-2/(x+4)

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