a little help with radical expressions?

Question

sparklestaraa · Answer

Question?

sparklestaraa · Answer

Love the picture too :P Did you get my personal message the other day? @osamabinswaggin

anonymous · Answer

beautiful isn't it?

sparklestaraa · Answer

Do u speak Arabic? And which form do you want this in decimal simplified or what?

anonymous · Answer

i have the answer to it already but i don't fully understand how to simplify this

sparklestaraa · Answer

$$4 \sqrt[3]{2}$$    

or 

Decimal approximation-

5.039

those are the two forms

sparklestaraa · Answer

ok wait

anonymous · Answer

the first one, i just don't understand how it's done

sparklestaraa · Answer

@mathmate @jim_thompson5910  Can you explain how to simplify this i have the answers above.

sparklestaraa · Answer

same with me i just know the answer.....

sparklestaraa · Answer

@josedavid Help him please

josedavid · Answer

what u need helop

anonymous · Answer

i need help understanding how this is done

sparklestaraa · Answer

@josedavid Just help on explaining the steps

anonymous · Answer

@ganeshie8 @SolomonZelman @ParthKohli

anonymous · Answer

this is hopeless

sparklestaraa · Answer

sorry but idk the steps i just know the answer @osamabinswaggin

anonymous · Answer

there's tons of calculators for this all over the internet but i want to know how to do it by hand