#### Answer

$5\sqrt[3]{7}$

#### Work Step by Step

RECALL:
The distributive property states that for any real numbers a, b, and c:
(1) $ac + bc = (a+b)c$
(2) $ac - bc = (a-b)c$
Use rule (2) above to combine like terms:
$=(9-4)\sqrt[3]{7}
\\=5\sqrt[3]{7}$