Question

what should be added to x²+xy+y² to obtain 12x²+3xy​

Answer 1

Answer:

let we add A to get 12x² +3xy.

so,

x²+xy+y²+A =12x²+3xy

A=11x²+2xy-y²

Answer 2

Answer:

it is a good question and I can do it is a good