Answer:
C
Explanation:
The left denominator factors into (x + 9)(x - 9).
The right denominator factors into (x + 9)(x - 3).
The LCD is (x + 9)(x - 9)(x - 3).
The left fraction must be multiplied by (x - 3)/(x - 3).
The right fraction must be multiplied by (x - 9)(x - 9).
Answer: C