Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 5 - Section 5.4 - Factoring Trinomials - Exercise Set - Page 363: 143

Answer

$(x-5)(x+5)$

Work Step by Step

$x^2-25=x^2+5x-5x-25=x(x+5)-5(x-5)=(x-5)(x+5)$
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