If (5^9)(9^5)=3(15^x), what is the value of x?	Choose the correct option
A) 7  B) 9  C) 11  D) 13  E) 15

Rationale: "( 5 ^ 9 ) ( 9 ^ 5 ) = 3 ( 15 ^ x ) = > 5 ^ 9 * 3 ^ 10 = 3 * 3 ^ x * 5 ^ x = > 5 ^ 9 * 3 ^ 10 = 3 ^ ( x + 1 ) * 5 ^ x value of x = 9 answer b"
Answer: B