Solving Rational Expressions - RQD HALP

Hay /sci/.

I've been trying to do this question for well over 2 hours. My friends have tried to help me, but I rejected them, believing I could do it myself. I do realize that the majority of users here are of a college/university math level...so I hope you can understand that we were all once fucking confused and help me out here.

Solve.

x+2 / x-1 + x-4 / x+2 =  x+1/x-1 + 1/2

I have the answer, but I don't know how to solve it. Thanks.

>>16
f^-1(x) != f(x)^-1
That's what I'd hope, but maths teachers will omit the parenthesis for well-known functions such as sin, cos, tan, etc., and so, when they need to do sin(x)², they write sin²x (because it'd otherwise be confused with sin(x²)). Then they use csc to avoid writing sin^-1, but see what I mean.

>>17
Are you saying it's a "special case"? Proper syntax must not have "special cases".

Maths notation was designed by Larry Wall.