Question

7. From the sum of pq + p² - q² and 2p² + 4q² subtract 2pq - p².​

Answer 1

Answer:

Sum = pq+p^2-q^2+ 2p^2+4pq

= 3p^2-q^2+5pq

Subtraction =

3p^2-q^2+5pq-(2pq-p^2)

= 3p^2-q^2+5pq-2pq+p^2

= 4p^2-q^2+3pq

hope it helps ✌