# How do you simplify -3(-ab^2)^3?

Jun 22, 2015

$= 3 {a}^{\textcolor{g r e e n}{3}} {b}^{6}$

#### Explanation:

-3(-ab^2)^color(green)(3

Here the power color(green)(3 needs to be multiplied with each term within brackets:
$- 3 \left(- {a}^{\textcolor{g r e e n}{3}} {b}^{2 . \textcolor{g r e e n}{3}}\right)$
$- 3. \left(- {a}^{\textcolor{g r e e n}{3}} {b}^{6}\right)$
$= 3 {a}^{\textcolor{g r e e n}{3}} {b}^{6}$