marinatagomori 24/04/2022 Resolução(5x - 1)*(x + 3)5x*(x + 3) - 1*(x + 3)5x² + 15x - x - 35x² + 14x - 3
marinatagomori
Resolução
(5x - 1)*(x + 3)
5x*(x + 3) - 1*(x + 3)
5x² + 15x - x - 3
5x² + 14x - 3