3√147-7/3√1/3+7√1/3 simplify it
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3√147-7/3√1/3+7√1/3
3√7*7*3-7/3√1/3+7√1/3
21√3-7/3√1/3+7√1/3
21√3+(7-7/3)√1/3
21√3+14/3√1/3
21(3)°
21×1
=21
3√7*7*3-7/3√1/3+7√1/3
21√3-7/3√1/3+7√1/3
21√3+(7-7/3)√1/3
21√3+14/3√1/3
21(3)°
21×1
=21
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