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 = 2 and x = 5, what is the value of -3c(c - x)?
| 144 | |
| 10 | |
| -28 | |
| 18 |