A: (-2, -1, 4)
u = Vector((0, 0, 0), (3, 1, -2))
f = Line(A, u)
eq1: x + (2 * y) - (5 * z) + 9 = 0
g = OrthogonalLine(A, eq1)
H = Intersect(g, eq1)
I = Intersect(f, eq1)