Express mixed radicals as equivalent, entire radicals

Express the mixed radical as an equivalent, entire radical.

1.)  2 ³√7

2.)  4 ³√2

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1.)  2 ³√7   {you need to make the 2 into the cube root of a number}
= ³√8 ³√7   {cubed the 2 and put under a cube root sign}
= ³√56   {multiplied the two cube roots together}


2.)  4 ³√2   {you need to make the 4 into the cube root of a number}
= ³√64 ³√2   {cubed the 4 and put under a cube root sign}
= ³√128   {multiplied the two cube roots together}

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