Question

what should be added to (x²+xy+y²) to obtain 2x² +3xy ​

Answer 1

Answer:x2+2xy-y2

Step-by-step explanation:

Answer 2

x² + 2xy - y² should be added to (x²+xy+y²) to obtain 2x²+3xy.

The answer is obtained by subtracting (x²+xy+y²) from 2x²+3xy.