Main content
Course: Algebra (all content) > Unit 10
Lesson 2: Adding & subtracting polynomialsAdding and subtracting polynomials review
Adding and subtracting polynomials is all about combining like terms. In this article, we review some examples and give you a chance for you to practice the skill yourself.
Adding and subtracting polynomials is an exercise in combining like terms. Let's walk through some examples.
Example 1
Simplify.
Rewrite without parentheses:
Group like terms:
Simplify:
Want to see another example? Check out this video.
Example 2
Simplify.
Rewrite without parentheses (being careful to distribute the negative):
Group like terms:
Simplify:
Want to see another example? Check out this video.
Example 3
Express as a trinomial.
Rewrite without parentheses and color code like terms:
Group like terms:
Simplify:
Want to see another example? Check out this video.
Practice
Want more practice? Check out these exercises:
Want to join the conversation?
No posts yet.