Add: xx2−1+2x−1\frac{x}{x^2 - 1} + \frac{2}{x - 1}x2−1x+x−12
x+2x−1\frac{x + 2}{x - 1}x−1x+2
x+4x2−1\frac{x + 4}{x^2 - 1}x2−1x+4
3x+2x2−1\frac{3x + 2}{x^2 - 1}x2−13x+2
3x+2(x−1)(x+1)\frac{3x + 2}{(x-1)(x+1)}(x−1)(x+1)3x+2