How do you write #7x^2+55x+42# in factored form? Algebra Polynomials and Factoring Factoring Completely 1 Answer Nallasivam V Sep 18, 2015 #=(x+7)(7x+6)# Explanation: #7x^2+55x+42# #=7x^2+6x+49x+42# #=x(7x+6)+7(7x+6)# #=(x+7)(7x+6)# 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 1256 views around the world You can reuse this answer Creative Commons License