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 = 5 and x = -9, what is the value of -a(a - x)?
| -420 | |
| -96 | |
| -288 | |
| -70 |