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 = 3 and z = -9, what is the value of 6a(a - z)?
| -144 | |
| -405 | |
| 216 | |
| 352 |