# How do you combine #sqrt5+sqrt5#?

##### 2 Answers

Oct 13, 2015

#### Explanation:

Think about it like this - what would happen if you used *common factor* for that expression?

You know that you can write

#sqrt(5) = sqrt(5) * 1#

This means that you can also write

#sqrt(5) + sqrt(5) = sqrt(5) * 1 + sqrt(5) * 1#

#= sqrt(5) * (1 + 1)#

#= sqrt(5) * 2#

#= color(green)(2sqrt(5))#

Oct 13, 2015

#### Explanation:

You add them together the same way you add two variables, such as