Question

$x^{3}+ x^{2} +x+1 ?$ Va rog

Answer 1

$x^3+x^2+x+1 = x^2(x+1)+x+1 = (x+1)(x^2+1)$

Answer 2

$x^{3}+x^{3}+x+1$
$x^{3}\cdot(x+1)+x+1$
$(x^{2}+1)\cdot(x+1)$