3x²
-
12
Step-by-step explanation:
We are going to multiply both equations because we want to found how much she made that week.
(3x + 6)(x - 2)
~Use FOIL
(3x * x) + (3x * -2) + (6 * x) + (6 * -2)
~Simplify
3x² - 6x + 6x - 12
~Combine like terms
3x² - 12
Best of Luck!