Question

What should be subtracted from 5x²-6y²+7xy+19 to obtain 3x²-2y² +4xy+31​

Answer 1

Answer:

$2 {x}^{2} - 4 {y}^{2} + 3xy - 12$

Step-by-step explanation:

$(5 {x}^{2} - 6 {y}^{2} + 7xy + 19) - (3 {x}^{2} - 2 {y}^{2} + 4xy + 31) \\ = 2 {x}^{2} - 4 {y}^{2} + 3xy - 12$

hope it helps you