Answer:
(a+3) (a^2-3a+9)
Explanation:
=a^3+27
=a^3+3^3
Using the formula a^3+b^3=(a+b) (a^2-ab+b^2) factor the expression
=(a+3)(a^2-3a+3^2)
=(a+3)(a^2-3a+9)
