Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.7 - Equations - Exercise Set: 56

Answer

$\left\{4, 9\right\}$

Work Step by Step

Factor the trinomial to obtain: $(x-9)(x-4)=0$ Equate each factor to zero then solve each equation to obtain: $x-9 = 0 \text{ o } x-4=0 \\x=9 \text{ or } x=4$ The solution set of the given equation is $\left\{4, 9\right\}$.
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.