\text \left(x^3 - 2x^2 - x + 2\right) : \left(x - 1\right) = x^2 - x - 2\\\hspace{0}\underline{ x^3 - x^2}\\\hspace{40}-x^2 - x\\\hspace{40}\underline{-x^2 + x}\\\hspace{80}-2x + 2\\\hspace{80}\underline{-2x + 2}\\\hspace{138}0