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 b = 6 and z = -6, what is the value of b(b - z)?
| -144 | |
| 72 | |
| -24 | |
| 45 |