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 z = 5, what is the value of a(a - z)?
| 0 | |
| 50 | |
| 108 | |
| 72 |