4x 5 13x 2 July 8, 2019 16 32 64 128 4x 5 13x 2 180 4x 2 13x 5 )/( x 2 25x 17 4x 5 13x 14 34x 4x 2 13x 5 0 13x 5 4x 23 13x 26 4x 5 4x+5 13