Respuesta :

Answer:

[tex]\frac{3x}{1}[/tex]

Step-by-step explanation:

[tex]\frac{3x}{1}[/tex] ÷ (x + 1)

[tex]\frac{3x}{1}[/tex] × [tex]\frac{1}{x + 1}[/tex] = [tex]\frac{3x}{x + 1}[/tex]