p(x) =

q(x) =

p(x) = x^(2) - x
Eingabefeld1 = Textfield(p)
q(x) = x + 1
Eingabefeld3 = Textfield(q)
Text1: "f(x) = \frac{" + (LaTeX[p]) + "}{" + (LaTeX[q]) + "}= " + (LaTeX[r]) + ""