How do you work a problem like for instance 12x6y9 over 3xy6, will you explain this I get confused.

Question

12x6y 9

   3xy6

Answer 1

4x^5 y^3

 

 when you divide powers, you subtract(so x^6-X1)=x^5

y^9/y^6=y^3 and when you multiply powers, you add them