# How do you simplify #sqrt45+sqrt180#?

##### 1 Answer

Nov 6, 2016

#### Answer:

#### Explanation:

This is dividing the numbers by a square number then simplifying.

As 45 is not divisible by a square root number (other than 1) that stays the same

180 does divide by 9, but we want it 'compatible' with

you can work out

that equals