Video Crash Courses
Want to watch animated videos and solve interactive exercises about expanding parentheses with variables?
Here you’ll learn how to multiply two parentheses by each other. The most important thing to remember is that each term in each of the parentheses needs to be multiplied by all the terms in the other set of parentheses.
Rule
Example 1
Expand the parentheses
In this case, that means goes first, as that is the term with the highest order. If you had a term with , that would go in front of .
Think About This
What do you think will happen if there are negative terms inside the parentheses?
The order of operations is simple. When you multiply two terms by each other, you should always focus on SIGN, NUMBER, and VARIABLE. If you do that for each term, you’ll end up with the correct answer.
Example 2
Expand the parentheses
Example 3
Expand the parentheses
Example 4
Expand the parentheses
Example 5
Expand the parentheses