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 = -4 and x = 2, what is the value of -2a(a - x)?
| -48 | |
| -140 | |
| 2 | |
| -20 |