Respuesta :

ok

remember
loga-logb=log(a/b)[tex]log_3(9x^4)-log_3(3x)^2= log_3\frac{9x^4}{(3x)^2} =log_3( \frac{9x^4}{9x^2})=log_3(x^2)=2log_3(x )[/tex]