Which expression is equivalent to x3+x2x2−x−2\frac{x^3+x^2}{x^2-x-2}x2−x−2x3+x2?
x2x−2\frac{x^2}{x-2}x−2x2
xx−2\frac{x}{x-2}x−2x
x3x−2\frac{x^3}{x-2}x−2x3
x−1x−2\frac{x-1}{x-2}x−2x−1