Respuesta :

Answer:

3x^4

____

2y^4

Step-by-step explanation:

Answer:

21x^6y^5

------------

14x^2y^9

=

21x^6y^5

-----------

14x^2y^9

=

21x^4

--------

14y^4

=

3x^4

-------

2y^4

Step-by-step explanation: