How do you factor # x^3 + x^2 + 4x + 4#? Algebra Polynomials and Factoring Factoring Completely 1 Answer Jamen N. Mar 16, 2018 #(x^2+4)(x+1)# Explanation: #x^3+x^2+4x+4# Factor by grouping: #(x^3+x^2)+(4x+4)# #x^2(x+1)+4(x+1)# #(x^2+4)(x+1)# 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 1361 views around the world You can reuse this answer Creative Commons License