Question

Simplify : (3a/2 - 2b/3) (-3a/2 - 2b/3) using identity.

ps. I tried my best to understand during online class but failed to understand please help

Please don't spam.... and answer correctly ​

Answer 1

use identity (a+b) (a-b)

answer....... 4b^2/9-9a^2/4