2 4x 1 3 4x 1 July 8, 2019 16 32 64 128 2 1 4x 3 1 5 2 3x 1 3 4x 1 2 4x 3 1 16 1 4x 1 3 4x 2 3 1 2x X 3 4x 2 1 4x 1 0 X 3 4x 2 1 4x 1 3 4x 1 )-( 4x 1 )= 2 x 5 4x 2 1 8x 3 1 4x 2 4x 1 2 2x 5 2 3 4x 1 )( 1 4x Y 1 4x 2 y 1 4x 3 3x 2 3 4x 1 )-( x 2 1 4x