How do you factor #x^3 + 216#? Algebra Polynomials and Factoring Factoring Completely 1 Answer Konstantinos Michailidis Sep 25, 2015 Refer to explanation Explanation: Using the identity #a^3+b^3=(a+b)*(a^2-ab+b^2)# and the fact that #216=6^3# we have that #x^3+6^3=(x+6)*(x^2-6x+36)# Answer link Related questions What is Factoring Completely? How do you know when you have completely factored a polynomial? Which methods of factoring do you use to factor completely? How do you factor completely #2x^2-8#? Which method do you use to factor #3x(x-1)+4(x-1) #? What are the factors of #12x^3+12x^2+3x#? How do you find the two numbers by using the factoring method, if one number is seven more than... How do you factor #12c^2-75# completely? How do you factor #x^6-26x^3-27#? How do you factor #100x^2+180x+81#? See all questions in Factoring Completely Impact of this question 26739 views around the world You can reuse this answer Creative Commons License