$\begin{equation}
\sqrt{a^3 x}-\sqrt{a x^3}+\sqrt{a^3 x^3}
\end{equation}$
$\begin{equation}
\sqrt{a^3 x}-\sqrt{a x^3}+\sqrt{a^3 x^3}
\end{equation}$
$\sqrt{a^3x}-\sqrt{ax^3}+\sqrt{a^3x^3}$
Portando fuori dalla radice:
$a\sqrt{ax}-x\sqrt{ax}+ax\sqrt{ax}$
Mettiamo in evidenza:
$\sqrt{ax}(a-x+ax)$
Noemi