2/x+1 = 6/x方-1 - 3/x-1
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2/x+1=6/x方-1-3/x-12/x+1=6/x方-1-3/x-12/x+1=6/x方-1-3/x-1两边乘以(x+1)(x-1)得2(x-1)=6-3(x+1)2x-2=6-3x-35x=5x
2/x+1 = 6/x方-1 - 3/x-1
2/x+1 = 6/x方-1 - 3/x-1
2/x+1 = 6/x方-1 - 3/x-1
两边乘以 (x+1)(x-1)得
2(x-1)=6-3(x+1)
2x-2=6-3x-3
5x=5
x=1
检验：x=1是增根
∴方程无解