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 = 7 and z = -1, what is the value of -7b(b - z)?
| -225 | |
| -96 | |
| -392 | |
| 8 |