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 = -8, what is the value of 5b(b - x)?
| 30 | |
| 3 | |
| 765 | |
| -100 |