当x等于什么数时.x-3分之x-1的值与-5分之x+3相等?

学习 时间:2026-04-02 19:11:58 阅读:5021
当x等于什么数时.x-3分之x-1的值与-5分之x+3相等?

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2026-04-02 19:11:58

(x-1)/(x-3)=-(x+3)/55(x-1)=-(x+3)(x-3)x^2+5x-14=0(x+7)(x-2)=0x+7=0x1=-7x-2=0x2=2

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  • 鲤鱼乌冬面
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    2026-04-02 19:11:58

    (x-1)/(x-3)=-(x+3)/55(x-1)=-(x+3)(x-3)x^2+5x-14=0(x+7)(x-2)=0x+7=0x1=-7x-2=0x2=2

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