Answer
$4x^{2} -9$
Work Step by Step
(2x-3)(2x+3)
1. Square the first term. $(2x)^{2} = 4x^{2}$
2. Multiply the first term and second term together. $(-3)(3) = -9$
3. Add your answers from steps 1-2 to get $4x^{2} -9$.
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 0 - Section 0.3 - Multiplying and Factoring Algebraic Expressions - Exercises - Page 21: 13
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