Question

Add
p²-7pq- q² and -3p²-2pq + 7q² with explabation​

Answer 1

${p}^{2} - 7pq - {q}^{2} + ( - 3 {p}^{2} - 2pq + 7 {q}^{2} ) \\ = {p}^{2} - 7pq - {q}^{2} - 3 {p}^{2} - 2pq + 7 {q}^{2} \\ = {p}^{2} - 3 {p}^{2} - {q}^{2} + 7 {q}^{2} - 7pq - 2pq \\ = - 2 {p}^{2} + 6 {q}^{2} - 9pq$

❤Hope It Helps❤

⭐Please Follow⭐