0 4 x 8 5 July 8, 2019 16 32 64 128 2 4 x 0 8 5 5x 4 )( x 8 )= 0 0 8 x 4 1 5 4 2 x 8 0 x 5 6 Xy 4 0 x 2 y 2 8 5 8 x 1 4 )= 0 56 0 25 x 0 5 8 4 9 4 x 7 8 x 0 52 1 6 4 x 8 0 5 0 3 =- x 3 8 5 4