Esercizio
$\frac{n^2-5n+1}{n+2}$
Soluzione passo-passo
1
Dividere $n^2-5n+1$ per $n+2$
$\begin{array}{l}\phantom{\phantom{;}n\phantom{;}+2;}{\phantom{;}n\phantom{;}-7\phantom{;}\phantom{;}}\\\phantom{;}n\phantom{;}+2\overline{\smash{)}\phantom{;}n^{2}-5n\phantom{;}+1\phantom{;}\phantom{;}}\\\phantom{\phantom{;}n\phantom{;}+2;}\underline{-n^{2}-2n\phantom{;}\phantom{-;x^n}}\\\phantom{-n^{2}-2n\phantom{;};}-7n\phantom{;}+1\phantom{;}\phantom{;}\\\phantom{\phantom{;}n\phantom{;}+2-;x^n;}\underline{\phantom{;}7n\phantom{;}+14\phantom{;}\phantom{;}}\\\phantom{;\phantom{;}7n\phantom{;}+14\phantom{;}\phantom{;}-;x^n;}\phantom{;}15\phantom{;}\phantom{;}\\\end{array}$
Risposta finale al problema
$n-7+\frac{15}{n+2}$