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 b = 5 and x = -4, what is the value of 4b(b - x)?
| 180 | |
| 10 | |
| -20 | |
| -32 |