# How do you multiply 4sqrt10 * 3sqrt6?

Sep 19, 2015

Have a look:

#### Explanation:

You multiply the numbers outside and inside the roots to get:
$4 \sqrt{10} \cdot 3 \sqrt{6} = 4 \cdot 3 \sqrt{10 \cdot 6} = 12 \sqrt{60} = 12 \sqrt{15 \cdot 4} = 12 \cdot 2 \sqrt{15} = 24 \sqrt{15}$