Question: What is the simplified form of the expression (x^2 - 1)/(x - 1)?

Options:

1. x + 1
2. x - 1
3. x^2 + 1
4. x^2 - 1

Correct Answer: x + 1

Solution:

Step 1: Factor the numerator: (x - 1)(x + 1)/(x - 1). Step 2: Cancel (x - 1): x + 1.