Question

reduza os termos C) -5xy + 2y² + xy - 3y² + 2 +3xy -1​

Answer 1

$- 5xy + 2 {y}^{2} + xy - 3 {y}^{2} + 2 \\ + 3xy - 1 = \\ - 1xy - 1 {y}^{2} - 1$