\[x^{3} - x^{2} = x - 1\]
\[x^{3} - x^{2} - x + 1 = 0\]
\[x^{2}(x - 1) - (x - 1) = 0\]
\[(x - 1)\left( x^{2} - 1 \right) = 0\]
\[(x - 1)(x - 1)(x + 1) = 0\]
\[x = \pm 1.\]
\[Ответ:x = \pm 1.\]