Question

ab² - ab - a²b + a²​

Answer 1

Step-by-step explanation:

= Take the sq.part and then use the BODMAN

I MEAN FIRST DO ADDITION AND THEN SUBTRACT

Answer 2

Answer:

0

Step-by-step explanation:

ab^2-ab-a^2b+a^2

ab^2-a^3b^2+a^2

-a^2+a^2

=0