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 = 3, what is the value of 4b(b - x)?
| 720 | |
| -180 | |
| -416 | |
| 112 |