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Simplify:$ 2\sqrt[3]{4}+7\sqrt[3]{32}-\sqrt[3]{500} $.
Given:
\( 2\sqrt[3]{4}+7\sqrt[3]{32}-\sqrt[3]{500} \).
To do:
We have to simplify \( 2\sqrt[3]{4}+7\sqrt[3]{32}-\sqrt[3]{500} \).
Solution:
$2\sqrt[3]{4}+7\sqrt[3]{32}-\sqrt[3]{500}=2\sqrt[3]{4}+7\sqrt[3]{4\times8}+\sqrt[3]{125\times4}$
$=2\sqrt[3]{4}+7\sqrt[3]{4\times2^3}+\sqrt[3]{5^3\times4}$
$=2\sqrt[3]{4}+7\times2\sqrt[3]{4}+5\sqrt[3]{4}$
$=2\sqrt[3]{4}+14\sqrt[3]{4}+5\sqrt[3]{4}$
$=21\sqrt[3]{4}$
Therefore,
$2\sqrt[3]{4}+7\sqrt[3]{32}-\sqrt[3]{500}=21\sqrt[3]{4}$.
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