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kyla2006 · Apr 13, 2010, 09:22 AM

solve cubed root x equals 8

Curlyben · Apr 13, 2010, 09:24 AM

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Unknown008 · Apr 18, 2010, 10:33 AM

That is:

$^3\sqrt x = 8$

or:

$x^{(\frac13)} = 8$

Cube each side to give:

$(x^{(\frac13)})^3 = 8^3$

Use the product rule, then the 3 will cancel out.

$(x^{(\frac{1}{\cancel{3}})})^{\cancel{3}} = 8^3$

$x^1 = 8^3$