Question

what should be added to 4xy + 3 to get 7xy+2x2

Answer 1

Answer:

4xy+3=7xy+2x 2

7xy-4xy=4-3

3xy=1

y=1'/3x

Answer 2

Let A=7xy+4 and B=4xy+3

Let C be the required expression

Now, A=B+C

=>C=A-B

Thus,C=7xy+4-4xy+3

=3xy+1

HOPE IT HELPS YOU DEAR.......

WITH LOVE, ARCHANA:-)