factorise 20x2 -9x+1 Share with your friends Share 8 Arthymeenakshi answered this Let p(x) = 20x2 – 9x + 1 = 20x2 – 5x – 4x + 1 = 5x(4x – 1)-1(4x – 1) = (4x-1)(5x-1) 26 View Full Answer