#### Answer

$9\sqrt[3] z$

#### Work Step by Step

$8\sqrt[3] z + \sqrt[3] z = 9\sqrt[3] z$

Published by
Pearson

ISBN 10:
0321785045

ISBN 13:
978-0-32178-504-6

$9\sqrt[3] z$

$8\sqrt[3] z + \sqrt[3] z = 9\sqrt[3] z$

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