Evaluate fourth root of 63- square root of 28+2 square root of 7

Math
634-28+27
Simplify each term.
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Rewrite 28 as 22⋅7.
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Factor 4 out of 28.
634-4(7)+27
Rewrite 4 as 22.
634-22⋅7+27
634-22⋅7+27
Pull terms out from under the radical.
634-(27)+27
Multiply 2 by -1.
634-27+27
634-27+27
Simplify by adding terms.
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Add -27 and 27.
634+0
Add 634 and 0.
634
634
The result can be shown in multiple forms.
Exact Form:
634
Decimal Form:
2.81731324…
Evaluate fourth root of 63- square root of 28+2 square root of 7

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