# How do you factor 15 + 5y?

Oct 23, 2016

$15 + 5 y = 5 \left(3 + y\right)$

#### Explanation:

Find the common factor. In this case $5$ is the only thing they share in common.

So, $15 + 5 y = 5 \left(3 + y\right)$

You can see that if you multiply $5$ by $3 + y$, you will find what they gave you.

Hope this helps :)