Respuesta :

its the third one down
since 8 is a perfect cube...2^3, we can factor (x +2).
Use the sum of cubes formula.. (a^3 + b^3) = (a + b) (a^2 -ab + b^3)
(x + 2) ( x^2 - 2x + 4)

Leaves your answer as the third option.