Question

Please answer correctly​

Answer 1

Answer:

$3xy - 2 {x}^{2} - 4 {y }^{2} + 6x + {x}^{2} - 3 {y}^{2} = 9xy - {x}^{2} - 7 {y}^{2} + ( - 8xy + 5 {x}^{2} + 2 {y}^{2} ) = xy + 4 {x}^{2} - 5 {y}^{2}$

I hope you understand my answer .