Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 7 - Review - Page 470: 153



Work Step by Step

Using $(a+b)^2=a^2+2ab+b^2$ , the expression $ (2\sqrt[]{x}-5)^2 $ simplifies to \begin{array}{l} (2\sqrt[]{x})^2+2(2\sqrt[]{x})(-5)+(-5)^2 \\= 4x-20\sqrt[]{x}+25 .\end{array}
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