# How do you simplify #sqrt(9ab^4)#?

##### 2 Answers

May 21, 2018

#### Explanation:

May 21, 2018

#### Explanation:

So let start by using the known factors we have.

So we can take out a 3 out because 9 is a perfect square which give us:

So we cannot take out a a because it not a perfect square, it only has one. But we can take out

Our final answer is