Question

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

Answer 1

Need to find the value of x..

Answer 2

You are lucky, as \[x^2-1 = (x+1)(x-1)\] you can multiply both sides by that factor and get only polynomial expressions of order two which you can solve easily.