Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 6 - Section 6.5 - A General Factoring Strategy - Exercise Set - Page 464: 141



Work Step by Step

$ 3x^{2n}-27y^{2n}\qquad$...factor out the common term, $3$. $=3(x^{2n}-9y^{2n})\qquad$...recognize the difference of two squares: $a^{2}-b^{2}=(a-b)(a+b)$ $=3(x^{n}-3y^{n})(x^{n}+3y^{n})$
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