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 z = 1, what is the value of 3a(a - z)?
| -256 | |
| -20 | |
| -33 | |
| 18 |