Precalculus (6th Edition) Blitzer

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

Chapter P - Section P.5 - Factoring Polynomials - Exercise Set: 39

Answer

$(x-10)(x+10)$

Work Step by Step

The given expression can be written as $x^2-10^2.$ The expression above s a difference of two squares. RECALL: $a^2-b^2=(a-b)(a+b).$ Factor the difference of two squares using the formula above to obtain $(x-10)(x+10).$
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