# Simplifying Expressions

**For example,** $\frac{x^{2}-1}{x+1}$ can be written as $\frac{x^{2}-1}{x+1}$ = $\frac{(x+1)(x-1)}{x+1}$. Strike out the common factor (x + 1) as it is the common term. Therefore the solution is (x - 1).

**For example,** $\frac{x^{2}-1}{x+1}$ can be written as $\frac{x^{2}-1}{x+1}$ = $\frac{(x+1)(x-1)}{x+1}$. Strike out the common factor (x + 1) as it is the common term. Therefore the solution is (x - 1).

Sub Topics