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 x = 8, what is the value of c(c - x)?
| -7 | |
| 504 | |
| -720 | |
| 288 |