# How do you simplify 15 + 6(x + 1)?

##### 1 Answer
Jun 27, 2016

$3 \left(2 x + 7\right)$

#### Explanation:

$15 + 6 \left(x + 1\right)$ can be expanded as $15 + 6 x + 6$

= $6 x + 21$

= $3 \left(2 x + 7\right)$