Problem
Which is a factor of the trinomial \( x^{2}-2 x-15 ? \) A. \( (x-13) \) B. \( (x-5) \) C. \( (x+5) \) D. \( (x+13) \)
Solution
Step 1 ：Factor the trinomial: \(x^{2} - 2x - 15 = (x - 5)(x + 3)\)
Step 2 ：Compare the factors with the answer choices.
