\[(x - 1)^{3} - x^{2}(x - 4) - (x + 2)(x - 2) = 0\]
\[x^{3} - 3x^{2} + 3x - 1 - x^{3} + 4x^{2} - x^{2} + 4 = 0\]
\[3x + 3 = 0\]
\[3x = - 3\]
\[x = - 1.\]