$${ x }^{ 3 } -3 { x }^{ 2 } +2x-1=0$$
$x = \frac{18 ^ {\frac{2}{3}} {(\sqrt[3]{\sqrt{69} + 9} + \sqrt[3]{9 - \sqrt{69}} + \sqrt[3]{18})}}{18} \approx 2.324717957$
