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: 78

Answer

(x + 5)(x + 1)

Work Step by Step

$A^2$ - $B^2$ = (A + B)(A - B) $(x + 3)^2$ - 4 = (x + 3 + 2)(x + 3 - 2) (x + 3 + 2)(x + 3 - 2) = (x + 5)(x + 1)
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