(-3b+2a)² (2c-1)² (9+a)2 (x⁴-3)² (a+1)³ (-b-2)²

Question

(-3b+2a)² (2c-1)² (9+a)2 (x⁴-3)² (a+1)³ (-b-2)²

Answer 1

1. =9b² +12ab +4a²
2. =4c² -4c +1
3. =18 +2a
4. =x^8 -6x^4 +9
5. =a³ +3a²b +3ab² +b³
6. =b² -4b +4