Add: 1x2−4+1x−2\frac{1}{x^2 - 4} + \frac{1}{x - 2}x2−41+x−21
x+1x2−4\frac{x + 1}{x^2 - 4}x2−4x+1
x+3(x−2)(x+2)\frac{x + 3}{(x-2)(x+2)}(x−2)(x+2)x+3
2x2−4\frac{2}{x^2-4}x2−42
x+1(x−2)2\frac{x + 1}{(x-2)^2}(x−2)2x+1