Question

please give answer.................​

Answer 1

Answer:

$pq + {p}^{2} - {q}^{2} + 2 {p}^{2} + 4 {q}^{2} - (2pq - {p}^{2} ) \\ \\ pq + 3 {p}^{2} + 3 {q}^{2} - 2pq + {p}^{2} \\ \\ 4 {p}^{2} + 3 {q}^{2} - pq$