How do you factor #x^3y^2 + 729y^2#? Algebra Polynomials and Factoring Factoring Completely 1 Answer Alan P. Jun 5, 2015 #x^3y^2+729y^2# Extract the common factor #y^2# #color(white)("XXXX")##=y^2(x^3+9^3)# Factor sum of cubes #color(white)("XXXX")##=y^3(x+9)(x^2-9x+81)# 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 1195 views around the world You can reuse this answer Creative Commons License