# How do you simplify (g - 9)5?

Multiply each term within the parenthesis by $\textcolor{red}{5}$:
$\left(g - 9\right) \textcolor{red}{5}$ becomes:
$\left(\textcolor{red}{5} \times g\right) - \left(\textcolor{red}{5} \times 9\right) = 5 g - 45$