1 2 4x 3 5x 2 3x July 8, 2019 16 32 64 128 5x 4 4x 3 8x 2 )-( 1 5x 2 3x 4 4x 3 - 2x 2 + 3x 1 )-( 5x 2 - x 5 3 (- 3x 2 )+ 4x 1 2 5x 30 )- 9 5x 2 2x 3 4x 2 3x 1
