hanna2390 hanna2390 06-10-2020 Mathematics contestada Simplify (3a3 – 7a2 + a) – (6a3 – 4a2 – 8). a. -3a6 – 3a4 + a +8 b. -3a6 – 11a4 +a -8 c. -3a3 – 11a+a -8 d. -3a3 – 3a² + a +8