Answer:
[tex]x^2\sqrt[3]{x}[/tex]
Step-by-step explanation:
The relevant properties of exponents are ...
(a^b)(a^c) = a^(b+c)
(a^b)^c = a^(bc)
1/a^b = a^-b
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Your expression simplifies to ...
[tex]\displaystyle x^{\frac{6}{3}+\frac{6}{9}-\frac{1}{3}}=x^{\frac{7}{3}}\\\\=x^2\sqrt[3]{x}[/tex]