Respuesta :

wegnerkolmp2741o

Answer:

3/4

Step-by-step explanation:

5x^8

-----------

20 x^7


5/20  =1/4

x^8/x^7    When dividing exponents with the same base, we subtract the exponents  

x^(8-7)

x^1


so

5x^8

-----------

20 x^7


= 1/4 x

Let x =3

1/4 *3

3/4