Answer
The solutions are $x = 10,-10$
Work Step by Step
$x^2 - 100 = 0$
$(x+10)(x-10) = 0$
$x-10 = 0$
$x = 10$
OR
$x + 10 = 0$
$x = -10$
The solutions are $x = 10,-10$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 1 - Equations and Inequalities - 1.4 Quadratic Equations - 1.4 Exercises - Page 121: 19
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
