# How do you simplify 5a(2a - b)?

Sep 14, 2015

=color(green)(10a^2-5ab

#### Explanation:

color(green)(5a)(2a−b)

Here $\textcolor{g r e e n}{5 a}$ needs to be multiplied with both terms within the bracket.
=color(green)(5a) * (2a) +color(green)(5a)*( −b)

=color(green)(10a^2-5ab