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 = -5, what is the value of 4c(c - x)?
| 56 | |
| -24 | |
| -336 | |
| -21 |