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 = -7 and z = -4, what is the value of -8c(c - z)?
| 6 | |
| 315 | |
| 144 | |
| -168 |