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: 5


$A^2$ - $B^2$

Work Step by Step

Use the standard FOIL method to multiply the two terms then simplify: (A + B)(A - B) = $A^2$ - AB + BA - $B^2$ = $A^2$ - $B^2$
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