# How do you simplify #4sqrt5-2sqrt5#?

##### 2 Answers

Dec 24, 2016

#### Explanation:

these are like terms- they are both multiples of the radical

collecting like terms gives you

Dec 24, 2016

#### Explanation:

The question is much easier than it looks at first glance.

Compare this with a question like:

4 bags - 2 bags = 2 bags

In algebra we can work with like terms:

In this case you can consider