Simplify the expression $\frac{x^4-4x^3-4x^2}{-x+\frac{-x^2}{2}+\frac{-x^3}{3}+\frac{-x^4}{4}+\frac{-x^5}{5}}$

Main Topic: Polynomial long division

In algebra, polynomial long division is an algorithm for dividing a polynomial by another polynomial of the same or lower degree, a generalised version of the familiar arithmetic technique called long division.