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 = -6 and x = -2, what is the value of 3c(c - x)?
| 72 | |
| 63 | |
| -432 | |
| 672 |