Question 1
Simplify the rational expression $ \frac{x^2 - 2x - 24}{x^2 - 9} $.
Question 2
What is the domain of the rational expression $ \frac{2x + 5}{x^2 - 4x - 12} $?
Question 3
Which of the following is the simplified form of the rational expression $ \frac{x^2 + 7x + 12}{x^2 + 2x - 15} $?
Question 4
Identify the excluded values for the rational expression $ \frac{x^2 + 5x + 6}{x^2 - 3x - 10} $.
Question 5
Simplify the rational expression $ \frac{x^2 + 2x - 15}{x^2 - x - 6} $.