Respuesta :

3.5/v^2

Step-by-step explanation:

-21v^6/-6v^8

-21/-6=3.5

v^6-v^8=-2

since -2 cannot be expressed as v^-2 it must be expressed as 1/v^2

so 3.5/v^2 is your answer

Answer:

7/2v^2

Step-by-step explanation:

7/2v^2 is the answer to the problem.