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 = 7 and x = -3, what is the value of 8a(a - x)?
| 455 | |
| -336 | |
| 560 | |
| -1458 |