Raízes\ complexas\ 

A = ComplexRoot(-2)
B = Root(6)
a_1 = 36
C = Root(7)
D = Root(x^(2) + 6)
b_1 = 3
c_1 = NaN
d = -2.080083823051904
e = -2.7144176165949063
a = -0.3 (slider from -5 to 5, step 0.01)
b = -0.2 (slider from -5 to 5, step 0.01)
c = 3.6 (slider from -5 to 5, step 0.01)
g: x = a * x^(2) + b * x + c
f(x) = a * x^(2) + b * x + c
texto1: "p(x) = " + (LaTeX[f]) + ""
z_2, z_1 = ComplexRoot(f)
h = Segment(z_2, z_1)
x_1, x_2 = Root(f)
texto2: "z_1= " + (LaTeX[z_1]) + "\  e \ 
z_2=" + (LaTeX[z_2]) + ""
E = (0.38012377048974777, 7.223783183665793)
F = (0.35118716713178344, 4.445869261301236)
G = (11.34709644315814, 4.4169326579432715)
H = (11.404969649874069, 7.136973373591901)
polígono1, e_1, f_1, g_1, h_1 = Polygon(E, F, G, H)