Intermediate Algebra for College Students (7th Edition)

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: 1


See below.

Work Step by Step

We solve $x^4-13x^2+36=0$ by letting $u=x^2$. Then our equation becomes $u^2-13u+36=0.$
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