[tex]\boxed{2\log x+\log y}[/tex]
2 log rules are used:
[tex]\log(ab)=\log a+\log b[/tex][tex]\log(x^n)=n\log x[/tex]
[tex]\log(x^2y)=\log(x^2)+\log y=2\log x+\log y[/tex]
