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 x = -8, what is the value of -4b(b - x)?
| -2 | |
| -48 | |
| 18 | |
| -420 |