Identify the term to be added on the given binomial that will result to a perfect square trinomial. After identifying the term, factor the perfect square trinomial: x²-9x

• A. 9/2, (x - 3/2)²
• B. 3/2, (x + 3/2)²
• C. 4/9, (x - 2/3)²
• D. 81/4, (x - 9/2)²

Answer: (D)