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 = -1 and x = -5, what is the value of 4a(a - x)?
| -16 | |
| 168 | |
| 64 | |
| 1024 |