# How do you simplify -3sqrt(180h^4)?

Apr 3, 2018

$- 18 {h}^{2} \sqrt{5}$

#### Explanation:

Take out the perfect squares from the radical

$- 3 \sqrt{180 {h}^{4}}$

$- 3 \sqrt{36 \cdot 5 \cdot {h}^{2} \cdot {h}^{2}} \rightarrow$ 36, ${h}^{2}$ are perfect squares

$- 3 \cdot 6 \cdot h \cdot h \sqrt{5}$

$- 18 \cdot {h}^{2} \sqrt{5}$

$- 18 {h}^{2} \sqrt{5}$