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 = -3 and x = 7, what is the value of 7b(b - x)?
| 756 | |
| 210 | |
| 385 | |
| 150 |