Question

Find the multiplication by using identities:-
(a +b)^2 – (a + b)​

Answer 1

Answer:

Step-by-step explanation:

$(a +b)^{2} - (a +b\\)(a +b)(a +b)- (a +b)\\(a^{2} +ab +ab +b^{2}) -(a +b)\\\\a^{2} +2ab+ b^{2}- a +b$