X 5 )( x 1 July 8, 2019 16 32 64 128 X 5 x 1 6 X 5 x 10 X 5 )( x 1 )- 21 0 X 5 x 12 X 5 x 11 X 5 x 1 )= 3x 2 X 5 x 15 X 5 )(- x 10 )= 0 X 5 x 1 3 2 X 5 x 1 4 X 5 x 1 3 X 5 )( x 1 )= y X 5 x 19 X 5 x 15 2 15 X 5 )( x 1 )= 7