Respuesta :

Simplify the following:
6 x^2 - 24 y^2

Factor 6 out of 6 x^2 - 24 y^2:
6 (x^2 - 4 y^2)

x^2 - 4 y^2 = x^2 - (2 y)^2:
6 (x^2 - (2 y)^2)

Factor the difference of two squares. x^2 - (2 y)^2 = (x - 2 y) (x + 2 y):
Answer: 6 (x - 2 y) (x + 2 y)