Question

11) Subtract a2 - 2ab from b2 + 2ab​

Answer 1

Answer:

First we will take same variable with same variable

a2 - 2ab from b2 + 2ab

a2 - 2ab - ( b2 +2ab )

after cost we will change sign due to subtract sign

a2 - 2ab - b2 - 2ab

a2- b2 -2ab - 2ab

-a2