Precalculus Examples

$\frac{5}{3} \cdot {(\frac{- 9 + 3 \sqrt{\frac{7}{3}}}{10})}^{2} + 3 (\frac{- 9 + 3 \sqrt{\frac{7}{3}}}{10}) + 1 = 0$

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$\frac{5}{3} \cdot {(\frac{- 9 + 3 \sqrt{\frac{7}{3}}}{10})}^{2} + 3 (\frac{- 9 + 3 \sqrt{\frac{7}{3}}}{10}) + 1 = 0$