Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 3 - Exponents, Polynomials and Functions - Chapter Test - Page 289: 26



Work Step by Step

36b$^2$-49 This expression is a difference of squares. If the square root of the first term is a and the square root of the second term is b, then the factorization is (a+b)(a-b). $\sqrt {36b^2}$=6b and $\sqrt {49}$=7. So the factorization is (6b+7)(6b-7).
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