Basic Math Examples

$- \frac{4 a b}{(a + b) (a - b)} \cdot ((a + b) (a - b))$

Step 1

Move the leading negative in $- \frac{4 a b}{(a + b) (a - b)}$ into the numerator.

$\frac{- 4 a b}{(a + b) (a - b)} \cdot ((a + b) (a - b))$

Step 2

Cancel the common factor.

$\frac{- 4 a b}{(a + b) (a - b)} \cdot ((a + b) (a - b))$

Step 3

Rewrite the expression.

$- 4 a b$