6 7 x 4 x 2 5 July 8, 2019 16 32 64 128 7 6 x 5 4 3 x 2 6 2 5 x 2 7 x 4 1 3 5x 7 x 2 )= 3 4 x 6 X 5 4 6 x 5 2 7 0 7 6 4 8 x 2 x 2 5 X 6 4 )( x 2 7x 5 4 4x 6 7 x 2 5x 6 7 4 x 3 8 x 5 x 2 is 15 5 6 9 x 4 x 2 7 5x 7 /( x 2 )( x 4 )( x 6