7. Like Terms Contains the same variables raised to the same power and can be simplified Examples: 9x 2 , 7x 2 , ½ x 2 Non-Examples: 9x 3 , 7x , ½ x 2
8. Associative Property The addition or multiplication of a set of numbers is the same regardless of how the numbers are grouped. 2x + (3x – 5x) (2x + 3x) – 5x