# How do you add #(7x ^ { 3} - 5x ^ { 2} + 9x + 3) + ( 5x ^ { 3} - 7x ^ { 2} - x + 3)#?

##### 1 Answer

Dec 18, 2017

#### Explanation:

This is the same as

The first thing we do is look for "like terms" and variables with the same degree. Our only variable here is

Let's first combine the

Now

Numbers:

Now that we have simplified/combined each of the terms, let's put them together: