Expressions that contain variables with different exponents can't be added together or subtracted from each other. Learn why that is the case in this video.

How Do You Combine Variables with Exponents?

Practice identifying like terms on the next page.

A symbol, often a letter from the alphabet, which represents an unknown value.

Two or more terms together form an expression.

The number in front of a variable or product of variables, showing how many you have of that variable or product of variables

The part of a power showing how many times the base is multiplied by itself

Terms which contain the same variables, are like terms.