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Trigonometry 18 Online
OpenStudy (anonymous):

3x^2 -2x-4=0

OpenStudy (anonymous):

by quadratic formula:

OpenStudy (anonymous):

\[x=\frac{ 2\pm \sqrt{4-(4*3*-4)} }{ 2*3 }=\frac{ 1 }{ 3 }(1\pm \sqrt{13})\]

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