Answer
(x + 10)(x - 10)
Work Step by Step
$x^{2}$ - 100 = (x + 10)(x - 10)
Check by multiplying factors with FOIL:
x(x) + x(-10) + 10(x) + 10(-10)
= $x^{2}$ - 10x + 10x - 100
= $x^{2}$ - 100
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Review - Page 331: 105
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