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 = -9 and x = -7, what is the value of b(b - x)?
| 18 | |
| -135 | |
| 88 | |
| -120 |