Respuesta :

mhanifa

Answer:

See attached

Step-by-step explanation:

The proof is attached

Ver imagen mhanifa

Answer:

x^2-2xy + y^2 + 4xy = (x + y)^2

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

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