Simplify square roots (variables) please show work ;)

Answer:
[tex]3x^{3}[/tex] [tex]\sqrt{6x}[/tex]
Step-by-step explanation:
[tex]\sqrt{57x^{7} }[/tex]
[tex]\sqrt{3^{2}*6x^{2} * x }[/tex]
[tex]\sqrt{3x^{2} }[/tex][tex]\sqrt{x^{6} }[/tex][tex]\sqrt{6x}[/tex]
[tex]3x^{3}[/tex] [tex]\sqrt{6x}[/tex]