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 = -1, what is the value of -5b(b - x)?
| -450 | |
| -325 | |
| 108 | |
| -60 |