#### Answer

$3x$

#### Work Step by Step

$\sqrt[4]81 x^{4}= 3x$
because,
$(3x)^4=81x^4$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$3x$

$\sqrt[4]81 x^{4}= 3x$
because,
$(3x)^4=81x^4$

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