Add+polynomials

How can you tell if two terms are alike?
Variables and exponents need to match, the only ones that can be adding have to have the same letter or exponent. ex: (6n² - 4) + (-2² + 9) n² # 6n² -4 + -2n² +9 = 4n² + 5

Which terms can be added?
the only ones that can be adding have to have the same letter or exponent.

What are the steps to adding a polynomial?
1. Divide into like terms 2. Pick out variables and constants 3. Add like terms