Respuesta :

[tex]Answer: \\ {x}^{3} + {x}^{2} + x + 1 \\ = {x}^{2} (x + 1) + x + 1 \\ = ( {x}^{2} + 1)(x + 1)[/tex]

The answer is C on edge2020

(x^2+1)(x+1)