Review of easy equation-solving techniques.

1. How many solutions are there to:

1/_{(x² + 1)} = 0

2. What are the solutions of:

(x – 2)/_{(x² + 1)} = 0

3. What are the solutions of:

x² – 28 = 3x

4. What are the solutions of:

(x + 3)² = 25

5. Solve:

Answers