Answer:
60480
Explanation:
This is an expression, not an equation (there's no = symbol here).
9! 9·8·7·6·5·4·3!
9!/3! = ------ = ---------------------- We can cancel the 3!, resulting in:
3! 3!
9·8·7·6·5·4
If desired, this can be multiplied out, resulting in
72·42·20 = 3024·20 = 60480