Answer:
[tex]\frac{1}{9x^{2} }[/tex]
Step-by-step explanation:
[tex](3x)^{-2}[/tex]
Distribute exponent
[tex]3^{-2} x^{-2}[/tex]
put negatives on the bottom
[tex]\frac{1}{3^{2} x^{2} }[/tex]
SImplify
