Answer: To simplify the expression, you can first simplify the terms inside the parentheses.
6(3) = 18
(4)n-1(5)/(12)n = (4n-5)/(12n)
Then you can combine the like terms:
18/(4n-5)/(12n) = (18 * 12n)/(4n-5)
This is the simplified form of the original expression.
Explanation: