Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - p.4 - Factoring Polynomials - Exercises - Page 39: 16

Answer

$-z(z+10)$

Work Step by Step

$25-(z+5)^2=5^2-(z+5)^2=[5+(z+5)][5-(z+5)]=(z+10)(-z)=-z(z+10)$
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