Respuesta :

Answer:

Step-by-step explanation:

Multiply and divide by    [tex](x^{2} - x + 1)[/tex]

the fraction becomes

[tex]\frac{x^{2} - x + 1 }{(x+1)(x^{2} -x +1)}[/tex]

[tex]\frac{x^{2} -x +1}{x^{3} +1}[/tex]