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 = -2 and x = 1, what is the value of 4a(a - x)?
| 42 | |
| 90 | |
| 24 | |
| 48 |