When solving an equation with two variables, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)
If a = -4 and x = 3, what is the value of 3a(a - x)?
| 18 | |
| -180 | |
| 84 | |
| -16 |