#### Answer

$10b^{2}$

#### Work Step by Step

We can simplify the expressions as follows:
= $2b*(\sqrt5b)^{2}$
= $2b*\sqrt 5b*\sqrt 5b$
= $2b*5b$
= $10b^{2}$.

Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

$10b^{2}$

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