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 z = -8, what is the value of -a(a - z)?
| 60 | |
| -648 | |
| -84 | |
| -324 |