Answer
See below.
Work Step by Step
We solve $x^{\frac{2}{3}}+2x^{\frac{1}{3}}-3=0$ by letting $u=x^{\frac{1}{3}}$. Then our equation becomes $u^2+2u-3=0.$
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 8 - Section 8.4 - Equations Quadratic in Form - Concept and Vocabulary Check - Page 635: 5
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