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 = 4 and x = 7, what is the value of 3c(c - x)?
| -819 | |
| 224 | |
| -36 | |
| -90 |