Question

expand the following (p+5q+2)2

Answer 1

2p+10q+4 is the answer.....

Answer 2

(a+b+c)2=a2+b2+c2+2ab+2bc+2ca

(p+5q+2)2=(p)2+(5q)2+(2)2+2(p)(5q)+2(5q)(2)+2(2)(p)

=p2+25q2+4+10pq+20q+4p