SOLUTION: cube roots! I don't know how to simplify this with the variables, that's what throws me off. cube root of......63x^5 ........................_______ .........................

Algebra ->  Radicals -> SOLUTION: cube roots! I don't know how to simplify this with the variables, that's what throws me off. cube root of......63x^5 ........................_______ .........................      Log On


   

Question 760987: cube roots! I don't know how to simplify this with the variables, that's what throws me off.
cube root of......63x^5
........................_______
.........................72y^6
can you take me step by step with this? & also have the answer very clear...
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
cube root of......63x^5
........................_______
.........................72y^6

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= cbrt[x^3/(8y^6)*cbrt[63x^2/9]
----
= (x/(2y^2))*cbrt[7x^2]
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Cheers,
Stan H.
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