5x 15 x 2 3x July 8, 2019 16 32 64 128 X 3 15 5x 3x 2 X 3 5x 2 3x 15 0 Factor x 2 3x 5x 15 X 2 3x 4 5x 6 15 X 3 5x 2 3x 15 factored
