Esercizio
$\frac{4-x^2}{x+1}$
Soluzione passo-passo
1
Dividere $4-x^2$ per $x+1$
$\begin{array}{l}\phantom{\phantom{;}x\phantom{;}+1;}{-x\phantom{;}+1\phantom{;}\phantom{;}}\\\phantom{;}x\phantom{;}+1\overline{\smash{)}-x^{2}\phantom{-;x^n}+4\phantom{;}\phantom{;}}\\\phantom{\phantom{;}x\phantom{;}+1;}\underline{\phantom{;}x^{2}+x\phantom{;}\phantom{-;x^n}}\\\phantom{\phantom{;}x^{2}+x\phantom{;};}\phantom{;}x\phantom{;}+4\phantom{;}\phantom{;}\\\phantom{\phantom{;}x\phantom{;}+1-;x^n;}\underline{-x\phantom{;}-1\phantom{;}\phantom{;}}\\\phantom{;-x\phantom{;}-1\phantom{;}\phantom{;}-;x^n;}\phantom{;}3\phantom{;}\phantom{;}\\\end{array}$
Risposta finale al problema
$-x+1+\frac{3}{x+1}$