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 = -4 and y = -8, what is the value of -2a(a - y)?
32 | |
-100 | |
128 | |
-128 |