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 x = 8, what is the value of 8b(b - x)?
| 672 | |
| -20 | |
| 20 | |
| -21 |