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 a = 7 and x = 6, what is the value of 5a(a - x)?
| -280 | |
| 315 | |
| 50 | |
| 35 |