How do you factor #x^2+6x+9#? Algebra Polynomials and Factoring Factorization of Quadratic Expressions 1 Answer Tony B Jul 5, 2016 #(x+3)^2# Explanation: Note that #(+3)xx(+3)=+9" and "3+3=6# giving #x^2+6x+9" " =" " (x+3)(x+3)" "=" "(x+3)^2# Answer link Related questions How do you factor trinomials? What is factorization of quadratic expressions? How do you factor quadratic equations with a coefficient? What are some examples of factoring quadratic expressions? How do you check that you factored a quadratic correctly? How do you factor #x^2+16x+48#? How do you factor #x^2-9x+20#? Question #3fdac How do you factor #8+z^6#? There is no GCF to be factor out, so is there another method to complete this? How do you factor #2t^2+7t+3#? See all questions in Factorization of Quadratic Expressions Impact of this question 921 views around the world You can reuse this answer Creative Commons License