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 = -5 and x = -9, what is the value of 9c(c - x)?
| -180 | |
| -24 | |
| 180 | |
| -120 |