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 = 3 and x = -7, what is the value of 3b(b - x)?
| -352 | |
| 280 | |
| 90 | |
| -24 |