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Mathematics 18 Online
OpenStudy (anonymous):

3x^3-3x+5=0

OpenStudy (anonymous):

That has no nice answers. Did you maybe mean 3x^2?

OpenStudy (anonymous):

no, it's 3x^3

OpenStudy (anonymous):

\[x = -\frac2{(3 (15 - \sqrt{213}))}^{(1/3)} - \frac{\frac12 (15 - \sqrt{213})^{(1/3)}}{ 3^{(2/3)}}\] is one of the solutions. Are you sure?

OpenStudy (anonymous):

well, that's quite complicated. i'm pretty sure, it's the 3rd time I checked my textbook.

OpenStudy (anonymous):

Odd. Do you have the answer? (Some textbooks have them in the back)

OpenStudy (anonymous):

no, sorry. Thank you anyway.

OpenStudy (anonymous):

Sorry about that.

OpenStudy (aravindg):

nikvist can u help?

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