Answer:
-88
Explanation:
-a² + 4ab - b²
Substitute the variables with the numbers given.
-2² + 4(2×-6) - -6²
-2² + 4(-12) - -6²
-4 + 4(-12) - 36
-4 + -48 - 36
-52 - 36 =
-88
(im starting 8th grade tommorow and im doing this cause im bored and i should practice xD)