Question

Armies please someone help me with this question?? ​

Answer 1

Answer:

-a²b²-4a²b²+9a²b²-3a²b²

-8a²b²+9a²b²

a²b²

Answer 2

Answer:

-8a^2b^2 + 9a^2b^2

=a^2b^2

Hope it helps you unnie

Sorry unnie I didn't knew how to write the squared part in brainly..