Respuesta :

Answer:

LCM = x(x - 2)(x - 6)(x + 2).

Step-by-step explanation:

x^2 - 4x - 12 = (x - 6)(x + 2)

x^2 - 8x + 12 = (x - 2)(x - 6)

x^3 - 4x = x(x - 2)(x + 2)

Taking into account the common factors:

LCM = x(x - 2)(x - 6)(x + 2)