X 2 5 9 0 July 8, 2019 16 32 64 128 X 2 1 )( x 5 9 )= 0 X 5 2 3 x 5 9 0 5 4 x 2 7x 9 0 X 5 4 10 x 5 2 9 0 X 5 4 8 x 5 2 9 0 1 x 2 0 9 5 4 X 9 )( x 5 2 x 18 0 2 5 x 9 0 8 2 2 5 x 4 9 0 3 X 5 7 4 9 0 2 X 5 x2 9 )= 0 X y 5 2 0 9