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 = -6 and x = 9, what is the value of a(a - x)?
| 288 | |
| -630 | |
| 90 | |
| 504 |