# 6: Polynomials

- Page ID
- 18961

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- 6.1: Add and Subtract Polynomials
- You have learned how to simplify expressions by combining like terms. Remember, like terms must have the same variables with the same exponent. Since monomials are terms, adding and subtracting monomials is the same as combining like terms. If the monomials are like terms, we just combine them by adding or subtracting the coefficient.