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 = -4 and x = -5, what is the value of 3b(b - x)?
| 308 | |
| 840 | |
| -70 | |
| -12 |