1 6a 5 )(- 3a 2 )( 4a 7 July 8, 2019 16 32 64 128 (- 6a 5 3a 3 2a 2 1 )-( 4a 2 3a 7 1) 5a(a ^ 4 - 6a ^ 2 + 3) 1) (4a ^ 3 - 1)(9a ^ 3 + 5) - (6a ^ 3 - 1) ^ 2 3) (d ^ 7 - 3)(d ^ 7 + 7) - (d ^ 7 + 2) ^ 2 A 1 2 3 4 5 6
