a_1 = 0.8 (slider from -5 to 5, step 0.1)
b_1 = 0.6 (slider from -5 to 5, step 0.1)
c_1 = -0.6 (slider from -5 to 5, step 0.1)
f(x) = a_1 * x^(2.0) + b_1 * x + c_1
a_2 = -0.3 (slider from -5 to 5, step 0.1)
b_2 = 0.4 (slider from -5 to 5, step 0.1)
c_2 = -0.1 (slider from -5 to 5, step 0.1)
g(x) = a_2 * x^(2.0) + b_2 * x + c_2
A = Intersect(f, g, 1.0)
B = Intersect(f, g, 2.0)
texto1: "Solución:  x =   " + (x(A)) + "  y =   " + (y(A))
texto2: "Solución:  x =   " + (x(B)) + "  y =   " + (y(B))