f(x) =

Nullstellen:

f(x) = x^(3) - (2 * x^(2)) - x + 2
Eingabefeld1 = Textfield(f)
L: {x = -1,x = 1,x = 2}
Text1: " " + (LaTeX[L]) + ""
N = Sequence(Intersect[Element[L, i], xAxis], i, 1, Length[L])
f0 = Expand(f(x))
Text2: "= " + (LaTeX[f0]) + ""