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 = 6 and x = 5, what is the value of -9b(b - x)?
| -140 | |
| -30 | |
| -54 | |
| -504 |