Math Help - Evaluate the integration by using integration by parts

1. Evaluate the integration by using integration by parts

Thanks!!

2. $\int\ln^3xdx=\int x'\ln^3xdx=x\ln^3x-\int x\cdot 3\ln^2x\cdot\frac{1}{x}dx=x\ln^3x-3\int\ln^2xdx$

Can you continue?