# How do you combine like terms in #(4x ^ { 2} - 2x - 6) - ( x ^ { 2} + 3x - 4)#?

##### 1 Answer

Mar 11, 2017

Just open the brackets. See below:

#### Explanation:

Here you have :

Now I'm opening the brackets to achieve like terms. To open the brackets just multiply the 'sign' which is in front of the bracket with each and every term inside it.

Like here, for first bracket set,

For the second set of bracket ,

So after opening brackets it will become:

hope it helps.