factor:

Question

x^3+216

Answer 1

you have probably come across the sum of cubes factoring formula
A^3 + B^3 = (A+B)(A^2 - AB + B^2)

since x^3 + 216
= x^3 + 6^3

let me know what you got.

Answer 2

(x+6)(x^2-6x+36)
thanks!