Complex Solutions
1. What are the solutions of x2 + 9 = 0?
2. What are the solutions of (x + 1)2 + 4 = 0?
3. What are the solutions of x2 – 2x + 10 = 0?
4. What are the solutions of x3 + 25x = 0?
5. What are the solutions of (x – 1)3 + 36(x – 1) = 0?