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Simplify: \(\frac{x^2 - 9}{x - 3}\)

1. x − 3
2. x + 3
3. x² − 6
4. x − 6

Correct answer: x + 3

Solution

The numerator can be written as \(x^2 - 9 = (x - 3)(x + 3)\). After canceling \(x - 3\), the expression simplifies to \(x + 3\).

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