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 = -8 and z = 6, what is the value of 7b(b - z)?
| -168 | |
| 784 | |
| -100 | |
| 672 |