select the correct answer. what is the factored form of this expression x^9 - 1000?

Answer:
B
Step-by-step explanation:
Since both terms are perfect cubes, factor using the difference of cubes formula, a^3-b^3=(a-b) (a^2+ab+b^2) where a=x^3 and b=10
(x^3-10)(x^6+10x^3+100)