How do you factor the trinomial #3x^2 + 2x − 1 #? Algebra Polynomials and Factoring Factorization of Quadratic Expressions 1 Answer Konstantinos Michailidis Feb 5, 2016 We have that #3x^2+2x-1=2x^2+2x+x^2-1=2x(x+1)+(x+1)(x-1)=(x+1)*(3x-1)# 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 1066 views around the world You can reuse this answer Creative Commons License