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 = 9 and x = 8, what is the value of 4c(c - x)?
| -72 | |
| 28 | |
| 36 | |
| 60 |