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 = -2, what is the value of -8a(a - x)?
| 0 | |
| -21 | |
| -7 | |
| 8 |