How do you factor # a^2 + 11 ab + 30b^2 #? Algebra Polynomials and Factoring Factorization of Quadratic Expressions 1 Answer Alan P. May 28, 2015 Noting that #6xx5 = 30# and #6+5 = 11# we can express the given expression #a^2+11ab+30b^2# as #(a+6b)*(a+5b)# 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 1423 views around the world You can reuse this answer Creative Commons License