x

x

x

x

60 - x

45-2x

A = (1, -3)
B = (5, -3)
C = (5, 2)
D = (1, 2)
m1, a, b, c, d = Polygon(A, B, C, D)
E = Point(d)
F = (2, 1)
G = Point(c)
m2, e, f, g, d_1 = Polygon(E, F, G, D)
H = Point(c)
I = (4, 1)
J = Point(b)
m3, h, i, j, c_1 = Polygon(H, I, J, C)
K = (2, -3)
k = Segment(F, K)
L = Point(a)
l = Segment(L, I)
m = Segment(I, F)
V(x) = ((x * ((-x) + 60)) * (((-2) * x) + 45))