# How do you simplify sqrt(90)?

May 15, 2018

$\sqrt{90}$ simplify to 3$\sqrt{10}$

#### Explanation:

So let write $\sqrt{90}$ again.

So to simplify $\sqrt{90}$ we need number that is a perfect square so we are looking for factors.

So 9 and 10 are the factors that gives us the product of 90 if we multiply 9 and 10 together and 9 is a perfect sure.

$\sqrt{90}$
$\sqrt{9 \cdot 10}$ - Insert factors of 90
3$\sqrt{10}$ - Take out a 3 since 9 square is 3.