Answer
$4x-20\sqrt[]{x}+25$
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}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Review - Page 470: 153
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