# How do you multiply #4\sqrt { 15a } \cdot 4\sqrt { 3a }#?

##### 1 Answer

Mar 11, 2018

#### Answer:

See a solution process below:

#### Explanation:

First, rewrite the expression as:

Next, use this rule for radicals to combine the radicals:

Then, rewrite the term in the radical as:

Now, use this rule of radicals to complete the simplification: