4x 2 5x )-( 7x 3x 2 1 July 8, 2019 16 32 64 128 4x 2 5x 8 )( 7x 2 3x 1 3x 2 5x 1 4x 2 7x 19 9 4x 2 7x 12 )- 12 3x 2 5x 9 3x 2 7x 14 )+( 5x 2 4x 6 3x 2 + 7x 10 )-( 5x 2 - 4x 1
