Remember that each variable must also have a matching exponent value. In your own words what does it mean to combine like terms. Like terms are terms that contain the same variables raised to the same power.
To combine like terms means to see which terms have the same variable but then you add or subtract or whatever.
The terms having the same variable with different exponents or different variable with same exponents are called Unlike terms. 3a and 2a are like terms because although they have different coefficient numbers they have the exact same letter a in them. To expand what Chuck has already helped you with. Combining like terms Calculator Get detailed solutions to your math problems with our Combining like terms step-by-step calculator.