# How do you simplify (z^2-49) /(z+7) and what are the restrictions?

May 13, 2018

$z - 7$

#### Explanation:

$\frac{\left(z + 7\right) \left(z - 7\right)}{z + 7}$
2) Divide the top and bottom by the common factor ($z + 7$)
$\frac{z - 7}{1}$
$z - 7$