Question

What should be added to x² + xy + y² to get 2x² + 4xy? 


a) -x² + 5xy + y²

b) x² + 3xy

c) x² - y² + 3xy

d) x² - 4xy + y²

please answer
I'll mark u brainlieast​

Answer 1

Answer:

option c = x^2 - y^2 + 3xy

Answer 2

Answer:

option-c

Step-by-step explanation:

x2+XY+y2

x2+3xy-y2

=

2x2+4xy