Given:
[tex](\frac{128x^5}{8x})^{\frac{1}{4}}[/tex]
[tex]\begin{gathered} (\frac{128x^5}{8x})^{\frac{1}{4}}=(16x^4)^{\frac{1}{4}} \\ (\frac{128x^5}{8x})^{\frac{1}{4}}=(2^4x^4)^{\frac{1}{4}} \\ (\frac{128x^5}{8x})^{\frac{1}{4}}=2x \end{gathered}[/tex]
