Question

Find the following expression by multiplying. (a + b)^ 2

Answer 1

=(x+y)^{2} \\= (x+y)(x+y) \\= x^{2} +xy+xy+y ^{2} \\= x^{2} +2xy+y ^{2} 

Answer 2

(a+b)^2
=2a+2b( u can keep simplifying if it is possible)
=2ab