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 = -9 and x = 6, what is the value of 7a(a - x)?
| 945 | |
| -252 | |
| -40 | |
| -405 |