# How do you factor s^2-16?

Nov 9, 2016

$\left(s - 4\right) \left(s + 4\right)$

#### Explanation:

this is the difference of two squares (both numbers shown are squared numbers)

$\sqrt{{s}^{2}} = s$
$\sqrt{16} = 4$

its written as:

$\left(s - 4\right) \left(s + 4\right)$