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OpenStudy (anonymous):
x^3=63 what's x
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OpenStudy (sburchette):
Take the cube root of both sides of the equation. \[\sqrt[3]{x^3}=\sqrt[3]{63}\] 63 isn't a perfect cube, and it factors into 3*3*7 which cannot be simplified any further. So \[x=\sqrt[3]{63}\approx3.979\]
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