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 c = 9 and z = -8, what is the value of 4c(c - z)?
| -2 | |
| 612 | |
| -8 | |
| -144 |