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 a = 6 and x = 4, what is the value of 9a(a - x)?
| 108 | |
| -1134 | |
| 88 | |
| 30 |