# How do you multiply (n+3) (2n+3)?

Apr 6, 2015

Using the distributive property with FOIL:
$\left(n + 3\right) \left(2 n + 3\right)$
$2 {n}^{2} + 3 n + 6 n + 9$
$2 {n}^{2} + 9 n + 9$