How to divide this polynomial, $\displaystyle f(x) = x^3 - 2x^2 + x - 2$ with x -1 by using long division? I got stuck at $\displaystyle -x^2 + x$ because after that, the remainder is 0 but there is still the -2 remaining. However, the solution is $\displaystyle x^2 + 1$. How?