Esercizio
$\frac{\left(x^2+9\right)}{\left(x-3\right)}$
Soluzione passo-passo
1
Dividere $x^2+9$ per $x-3$
$\begin{array}{l}\phantom{\phantom{;}x\phantom{;}-3;}{\phantom{;}x\phantom{;}+3\phantom{;}\phantom{;}}\\\phantom{;}x\phantom{;}-3\overline{\smash{)}\phantom{;}x^{2}\phantom{-;x^n}+9\phantom{;}\phantom{;}}\\\phantom{\phantom{;}x\phantom{;}-3;}\underline{-x^{2}+3x\phantom{;}\phantom{-;x^n}}\\\phantom{-x^{2}+3x\phantom{;};}\phantom{;}3x\phantom{;}+9\phantom{;}\phantom{;}\\\phantom{\phantom{;}x\phantom{;}-3-;x^n;}\underline{-3x\phantom{;}+9\phantom{;}\phantom{;}}\\\phantom{;-3x\phantom{;}+9\phantom{;}\phantom{;}-;x^n;}\phantom{;}18\phantom{;}\phantom{;}\\\end{array}$
Risposta finale al problema
$x+3+\frac{18}{x-3}$