Question

1) x^2+2xy+y^2
2)4x^2+4x+1
3)36 -12a+a^2
4) 1 -2a+a^2
5)25a^2+10a+1

Answer 1

$1) = {(x + y)}^{2} \ 2) = {(2x + 1)}^{2} \ 3) = {(6 - a)}^{2} \ 4) = {(1 - a)}^{2} \ 5) = {(5a + 1)}^{2}$