Esercizio
$\frac{8x^3+4x^2-7}{x^2+1}$
Soluzione passo-passo
1
Dividere $8x^3+4x^2-7$ per $x^2+1$
$\begin{array}{l}\phantom{\phantom{;}x^{2}+1;}{\phantom{;}8x\phantom{;}+4\phantom{;}\phantom{;}}\\\phantom{;}x^{2}+1\overline{\smash{)}\phantom{;}8x^{3}+4x^{2}\phantom{-;x^n}-7\phantom{;}\phantom{;}}\\\phantom{\phantom{;}x^{2}+1;}\underline{-8x^{3}\phantom{-;x^n}-8x\phantom{;}\phantom{-;x^n}}\\\phantom{-8x^{3}-8x\phantom{;};}\phantom{;}4x^{2}-8x\phantom{;}-7\phantom{;}\phantom{;}\\\phantom{\phantom{;}x^{2}+1-;x^n;}\underline{-4x^{2}\phantom{-;x^n}-4\phantom{;}\phantom{;}}\\\phantom{;-4x^{2}-4\phantom{;}\phantom{;}-;x^n;}-8x\phantom{;}-11\phantom{;}\phantom{;}\\\end{array}$
$8x+4+\frac{-8x-11}{x^2+1}$
Risposta finale al problema
$8x+4+\frac{-8x-11}{x^2+1}$