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 z = -6, what is the value of 8a(a - z)?
| -252 | |
| 98 | |
| 48 | |
| 728 |