Evaluate
7\sqrt[3]{4}\approx 11.111807364
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\sqrt[3]{4}+6\sqrt[3]{4}
Combine 2\sqrt[3]{4} and -\sqrt[3]{4} to get \sqrt[3]{4}.
7\sqrt[3]{4}
Combine \sqrt[3]{4} and 6\sqrt[3]{4} to get 7\sqrt[3]{4}.
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