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### Course: Algebra (all content) > Unit 10

Lesson 2: Adding & subtracting polynomials# Adding 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**$E+F$ 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:*

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