11x3 - 12x2 + 6x - 1 = 0
\(\Leftrightarrow\) 8x3 - 12x2 + 6x - 1 = -3x3
\(\Leftrightarrow\) (2x - 1)3 = (-\(\sqrt[3]{3}\)x)3
\(\Leftrightarrow\) 2x - 1 = -\(\sqrt[3]{3}\)x
\(\Leftrightarrow\) (2 + \(\sqrt[3]{3}\))x = 1
\(\Leftrightarrow\) x = \(\frac{1}{2+\sqrt[3]{3}}\)
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