Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 5 - Section 5.7 - Polynomial Equations and Their Applications - Exercise Set - Page 390: 42



Work Step by Step

Given: $5x^4-20x^2=0$ or, $5x^2(x^2-4)=0$ Need to use factorization to solve the quadratic equation. This can be factorized as follows: $5x^2(x^2-2^2)=0$ or, $5x^2(x-2)(x+2)=0 $ Set each factor equal to zero, we get $x=0,-2,2$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.