# How do you multiply (2x + 3)(2x - 3)?

Mar 31, 2018

$4 {x}^{2} - 9$

#### Explanation:

Use ${a}^{2} - {b}^{2} = \left(a + b\right) \left(a - b\right)$

==$4 {x}^{2} - 6 x + 6 x - 9$

=$4 {x}^{2} - 9$

Hope this helps!