解方程：(x-5)/(x-3)-(x+1)/(x-1)=0
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解方程：(x-5)/(x-3)-(x+1)/(x-1)=0解方程：(x-5)/(x-3)-(x+1)/(x-1)=0解方程：(x-5)/(x-3)-(x+1)/(x-1)=0(x-5)/(x-3)-(
解方程：(x-5)/(x-3)-(x+1)/(x-1)=0
解方程：(x-5)/(x-3)-(x+1)/(x-1)=0
解方程：(x-5)/(x-3)-(x+1)/(x-1)=0
(x-5)/(x-3)-(x+1)/(x-1)=0
(x-5)/(x-3)=(x+1)/(x-1)
(x-5)(x-1)=(x+3)(x-3)
x^2-6x+5=x^2-9
-6x=-14
x=7/3
这都不会？
两边乘(x-5)(x-1)-(x-3)(x+1)=0
x²-6x+5-x²+2x+3=0
-4x+8=0
x=2
分式方程要检验
经检验，x=2是方程的解
(x-5)/(x-3)-(x+1)/(x-1)=0
两边乘以(x-3)(x-1)
(x-5)(x-1)-(x+1)(x-3)=0
x²-6x+5-x²+2x+3=0
-4x+8=0
x=8/4
x=2
原式等于：(x-1)(x-5)-(x-3)(x+1)=0
x²-6x+5-(x²-2x-3)=0
x²-6x+5-x²+2x+3=0
-4x+8=0
-4x=-8
x=2
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