Answer
(2x+5)(2x-5)=$4x^{2}$-25
Work Step by Step
To simplify the product (2x+5)(2x-5) we'll apply the rule that states that
(a+b)(a-b)=$a^{2}$-$b^{2}$ and set a=2x and b=5
Therefore,
(2x+5)(2x-5)=$(2x)^{2}$-$5^{2}$
=$4x^{2}$-25
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 8 - Polynomials and Factoring - 8-4 Multiplying Special Cases - Standardized Test Prep - Page 497: 59
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