Subtract and simplify: xx+1−1x\frac{x}{x + 1} - \frac{1}{x}x+1x−x1
x2−1x(x+1)\frac{x^2 - 1}{x(x+1)}x(x+1)x2−1
x2−x−1x(x+1)\frac{x^2 - x - 1}{x(x+1)}x(x+1)x2−x−1
x−1x\frac{x - 1}{x}xx−1
1x+1\frac{1}{x+1}x+11