Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.3 - Algebraic Expressions - 1.3 Exercises: 103

Answer

$9(x+1)(x-5)$

Work Step by Step

$Factor$ $the$ $expression$ $completely:$ $9x^2-36-45$ Factor out a 9 from all terms $9(x^2-4-5)$ Factor the trinomial in the parenthesis into binomials $9(x^2-4-5) = 9(x+1)(x-5)$
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