How do you factor 4x^3+16x^2+x+4? Algebra Polynomials and Factoring Factoring by Grouping 1 Answer Lucy Apr 3, 2018 (x+4)(4x^2+1) Explanation: 4x^3+16x^2+x+4 =4x^2(x+4)+(x+4) =(x+4)(4x^2+1) Answer link Related questions What is Factoring by Grouping? How do you factor by grouping four-term polynomials and trinomials? Why does factoring polynomials by grouping work? How do you factor 2x+2y+ax+ay? How do you factor 3x^2+8x+4 by using the grouping method? How do you factor 6x^2-9x+10x-15? How do you group and factor 4jk-8j^2+5k-10j? What are the factors of 2m^3+3m^2+4m+6? How do you factor quadratics by using the grouping method? How do you factor x^4-2x^3+5x-10? See all questions in Factoring by Grouping Impact of this question 3604 views around the world You can reuse this answer Creative Commons License