How do you factor #2a^2-9a+9# by grouping? Algebra Polynomials and Factoring Factoring by Grouping 1 Answer Jumbotron Mar 2, 2018 #(a - 3) (2a - 3)# Explanation: #2a^2 - 9a + 9# Note that; #-9a = -6a -3a# #-6 xx -3 = -18# #2a^2 - 6a - 3a + 9# #(2a^2 - 6a) (-3a + 9)# #2a(a - 3) -3(a - 3)# #(a - 3) (2a - 3)# 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 1993 views around the world You can reuse this answer Creative Commons License