Using laws of logarithms, write the expression below using sums and/or differences of logarithmic expressions which do not contain the logarithms of products, quotients, or powers. Enter the natural logarithm of x as ln(x) or log(x). Use decimals instead of fractions.

$\displaystyle \ln \left( x^{3} \frac{ \sqrt{x-4} }{ 2 x + 7 } \right) =$ help (logarithms)