Question

Plzzzzzz solve this question nobody is answering correct and
Answer is 3(1+2a-2b)(1-2a-2b)

Answer 1

Answer:

=3{1-4(a-b)^2}

=3{1^2-(2(a-b)^2)}

=3{1+2(a-b)}{1-2(a+b)}

=3(1+2a-2b)(1-2a-2b)

Hope this helps:)