Answer
$7\sqrt[3]{6}$
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:
$=(9-2)\sqrt[3]{6}
\\=7\sqrt[3]{6}$