Question

x^2 + y^2 +(x+y)^2

Whoever helps get 99 points so please help.

Answer 1

Answer:

x^2+y^2+2xy=(X+y)^2

Answer 2

$\huge\mathfrak{Answer :-}$

$\mathfrak{x{}^{2}+y{}^{2}+(x+y){}^{2}}$

$\sf{x{}^{2}+y{}^{2}+x{}^{2}+y{}^{2}+2xy}$

$\sf{ 2x{}^{2}+2y{}^{2}+2xy}$

$\sf{2(x{}^{2}+y{}^{2}+xy)}$