\[\ x² > 4,7x\]
\[x^{2} - 4,7x > 0\]
\[x(x - 4,7) > 0\]
\[x(x - 4,7) = 0\]
\[x = 0\ \ \ \ \ \ \ \ x - 4,7 = 0\]
\[\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x = 4,7\]
\[Ответ:\ x \in ( - \infty;0) \cup (4,7; + \infty).\]