Question

4. (a) What should be added to x2 + xy + y2 to obtain 2x2 + 3xy?
(b) What should be subtracted from 2a +86 + 10 to get – 3a + 7b+16?​

Answer 1

Answer:

a) x² +2xy -y² should be added

b) -5a +7b -70 should be subtracted