1 4x 5x 2 July 8, 2019 16 32 64 128 1 4x 2 5x 39 4x 1 )( 5x 2 )( x 3 4x 1 2 5x 3 3 6 4x 1 5x 2 3x 4x 1 5x 2 3 4x 1 )( 5x 1 2 )= 0 4x 1 x 5x 2 3 4x 1 5x 2x 2 4x 1 )= 2 5x 7 3 4x 1 )= 2 5x 7 1 4x 3 2 0 5x 2 6 2 4x 1 )= 5x 8 4x 2x 1 5x 4x 2