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 = -5 and z = -1, what is the value of 2b(b - z)?
| 120 | |
| -32 | |
| 40 | |
| 576 |