5 9x 3 0 July 8, 2019 16 32 64 128 X 5 9x 3 0 X 5 9x 3 20x 0 X 5 10x 3 9x 0 X 5 8x 3 9x 0 5 9x 3 )(- 5x 13 )= 0 5 x 0
