# How do you simplify #2m - [n - (m - 2n)]#?

##### 2 Answers

Apr 11, 2018

#### Explanation:

Expand the curly brackets first

Then expand the square brackets

#### Explanation:

You start by getting rid of the brackets inside the other brackets

The

and if you like you can write this as a common factor

The main thing is to understand that the signs alter as shown before.