Question

Using identity evaluate: (a -b)²- (a + b)²​

Answer 1

Answer:

a²-b² is the ans of your question hope it helpful for you plz mark me as brain list and plz follow me

Answer 2

Answer:

a²+b²-2ab)- (a²+b²+2ab)

a²+b²-2ab-a²-b²-2ab

-4ab