# How do you find the sum or difference of #(5n-2p^2+2np)-(4p^2+4n)#?

##### 1 Answer

May 16, 2017

#### Explanation:

Remove the brackets first. The minus sign in front of the second bracket will change all of its signs.

Now collect the like terms. You can re-arrange the expression to make this easier to see.

(You only add or subtract the coefficients, the variables stay the same.)