## Basic College Mathematics (9th Edition)

1. Simplify the square roots. $\sqrt 16$ = 4, $\sqrt 9$ = 3 Equation becomes 6 * 4 - 6 * 3 2. Multiply. 6 * 4 = 24, 6 * 3 = 18 Equation becomes 24 - 18 3. Add. 24 - 18 = 6