# How do you combine #(a ^ { 3} - a ^ { 2} b + a b ^ { 2} ) + ( - a ^ { 2} b + a b ^ { 2} - b ^ { 3} )#?

##### 2 Answers

See a solution process below:

#### Explanation:

First, remove all of the terms from parenthesis. Be careful to handle the signs of each individual term correctly:

Next, group like terms:

Now, combine like terms:

#### Explanation:

Identify like/common terms first: (Terms with the same color are common terms that we can combine)

Given:

We can highlight the common terms...

...And combine them

So simplifying the problem we get:

**Note: We did not combine #a^3# and #-b^3# because there are no other common terms to combine them with so we left them as is**