How can i factorise:-6ab-b2+12ac - 2bc Share with your friends Share 1 Varun.Rawat answered this 6ab - b2 + 12ac - 2bc = [6ab - b2] + [12ac - 2bc] = b(6a - b) + 2c(6a - b) = (6a - b) (b + 2c) 20 View Full Answer G Singh answered this i dont know -4