Question

what should be added to x2-y+2xy to obtain x2+y+5xy​

Answer 1

Answer:

2y+3xy.

Step-by-step explanation:

x2-y+2xy + x=x2+y+5xy

So, x=x2+y+5xy - x2-y+2xy

       =    x2+y+5xy

          -  (x2-y+2xy)

       =2y+3xy