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 = -1 and x = -6, what is the value of 4c(c - x)?
| -60 | |
| -20 | |
| 21 | |
| 24 |