Find the integral.

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{6x}{(x6{)}^4}dx$

$6ln|x6|C$

$6ln|x6{|}^3-36ln|x6{|}^{4}C$

$-\frac{4x}{(x6{)}^3}C$

$-\frac{3}{(x6{)}^2}\frac{12}{(x6{)}^3}c$