a = 2 (slider from -5 to 5, step 0.1)
b = 7 (slider from 0 to 50, step 1)
c: a + sqrt(b)
A: (a + sqrt(b), 0)
B: (a - sqrt(b), 0)
C = Point(xAxis)
D: (a, 0)
f(x) = (((x - x(C)) * (x - x(B))) * (x - x(A)))
g(x) = ((x - x(B)) * (x - x(A)))
E = Min(g, x(B), x(A))
F = Min(f, x(B), x(A))
h = Line(E, F)
p(x) = (x * f(x))
q(x) = (x * p(x))
G = Min(p, x(B), x(A))
H = Min(q, x(B), x(A))