Respuesta :

3or4vxe
     4  



Is the answer 
Sounds as tho' you want to evaluate

3x
---
  4

over

5x-1
------
    8

To accomplish this, invert the 2nd fraction and then multiply:


3x     5x-1
---   * ------  = 15x^2-3x   divided by 32.
  4       8