Answer:
[tex]log( \frac{4 {r}^{3}x }{3})[/tex]
Step-by-step explanation:
[tex] log(4) - log(3) + log(x )+ 3 log(r) = log( \frac{4}{3 }x) + log( {r}^{3} ) [/tex]
Laws of logarithms
[tex] = log( \frac{4x}{3} \times {r}^{3} ) = log( \frac{4 {r}^{3}x }{3} ) [/tex]