RovniceMnozinyBodu(JsouKolinearni(K, L, M), X)

A = (5.44, -5.86)
B = (12.08, -5.8)
C = (10.76, -0.52)
f = Line(A, C)
g = Line(C, B)
h = Line(A, B)
X = (9.38, -4)
i = OrthogonalLine(X, h)
j = OrthogonalLine(X, g)
k = OrthogonalLine(X, f)
M = Intersect(h, i)
K = Intersect(g, j)
L = Intersect(f, k)
a = LocusEquation(AreCollinear[K, L, M], X)