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