Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 8 - Rational Functions - Get Ready! - Page 495: 7

Answer

$(3x-5)(3x+5)$

Work Step by Step

The given expression is equivalent to: \begin{align*} &=(3x)^2-5^2 \end{align*} Recall: $a^2-b^2=(a-b)(a+b)$ Factor the expression using the formula above with $a=3x$ and $b=5$ to obtain: $$(3x)^2-5^2=(3x-5)(3x+5)$$
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