x-1分之1+x+1分之2x=2

2024-12-29 14:29:21
推荐回答(1个)
回答1:

1/(x-1)+2x/(x+1)=2
(x+1)+2x(x-1)=2(x-1)(x+1)
2x^2-x+1=2x^2-2
x=3