Respuesta :

altavistard
Rewrite   t^5 u^4 over t^2 u   as

t^5 u^4
----------      First, reduce t^5 / t^2:  The answer to that is 5^(5-2) = 5^3
   t^2 u

Next, reduce u^4 / t^2; the answer to that is u^2

Then you have 

5^3 / u^2, or

 5^3
-------
  u^2

... which cannot be simplified further.