Question

Упростите выражение$\frac{n^{3}+1}{n+1} - (n^{2} +2)$

Answer 1

$\frac{(n+1)*(n^2-n+1)}{n+1} - n^2 - 2$ = $n^2-n+1-n^2-2 = -n+1-2 = -n-1$

Answer 2

ответ дан во вложении!!!