Answer
$x^{\frac{2}{7}}$
Work Step by Step
Use the rule $\dfrac{a^m}{a^n} = a^{m-n}$ to obtain:
$=x^{\frac{3}{7} - \frac{1}{7}}
\\=x^{\frac{2}{7}}$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Section 7.2 - Rational Exponents - Exercise Set - Page 522: 62
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