How do you factor #25b^2 -60b +36#? Algebra Polynomials and Factoring Factoring Completely 1 Answer George C. Jun 3, 2015 #25b^2 - 60b + 36# is of the form #A^2-2AB+B^2# where #A=5b# and #B=6#. This is a perfect square trinomial... #25b^2-60b+36 = (5b)^2-(2xx5bxx6)+6^2# #=(5b-6)^2# 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 2497 views around the world You can reuse this answer Creative Commons License