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 = 3 and x = 6, what is the value of -4a(a - x)?
| 36 | |
| -20 | |
| -120 | |
| -180 |