Question

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

Answer 1

Answer:

4p^2 + 2q^2 - pq.

Step-by-step explanation:

SUM:

pq+p^2-q^2

+ 2p^2+4q^2

3p^2+2q^2+pq.

SUBTRACT 2pq-p^2 from the above result:

3p^2+2q^2+pq

-. 2pq-p^2

4p^2 + 2q^2 - pq.