Esercizio
$\frac{5x^3+2x^2-45x-18}{\left(x+3\right)}$
Soluzione passo-passo
1
Dividere $5x^3+2x^2-45x-18$ per $x+3$
$\begin{array}{l}\phantom{\phantom{;}x\phantom{;}+3;}{\phantom{;}5x^{2}-13x\phantom{;}-6\phantom{;}\phantom{;}}\\\phantom{;}x\phantom{;}+3\overline{\smash{)}\phantom{;}5x^{3}+2x^{2}-45x\phantom{;}-18\phantom{;}\phantom{;}}\\\phantom{\phantom{;}x\phantom{;}+3;}\underline{-5x^{3}-15x^{2}\phantom{-;x^n}\phantom{-;x^n}}\\\phantom{-5x^{3}-15x^{2};}-13x^{2}-45x\phantom{;}-18\phantom{;}\phantom{;}\\\phantom{\phantom{;}x\phantom{;}+3-;x^n;}\underline{\phantom{;}13x^{2}+39x\phantom{;}\phantom{-;x^n}}\\\phantom{;\phantom{;}13x^{2}+39x\phantom{;}-;x^n;}-6x\phantom{;}-18\phantom{;}\phantom{;}\\\phantom{\phantom{;}x\phantom{;}+3-;x^n-;x^n;}\underline{\phantom{;}6x\phantom{;}+18\phantom{;}\phantom{;}}\\\phantom{;;\phantom{;}6x\phantom{;}+18\phantom{;}\phantom{;}-;x^n-;x^n;}\\\end{array}$
Risposta finale al problema
$5x^{2}-13x-6$