Respuesta :

Answer:

3(3x^3-8)

Step-by-step explanation:

3x^3+6x^3 = 9x^3 (you sure it's not 6x^2??)

if not then 9x^3-24

3(3x^-8)

BUT

if it's 3x^3+6x^2-24

then 3(x^3+2x^2-8)

^-^