\[9y^{2} + 25y - 6 = 9 \cdot \left( x - \frac{2}{9} \right)(x + 3) =\]
\[= (9x - 2)(x + 3)\]
\[D = 625 + 216 = 841\]
\[y_{1} = \frac{- 25 + 29}{18} = \frac{4}{18} = \frac{2}{9};\ \ \ \ \ \]
\[y_{2} = \frac{- 25 - 29}{18} = - \frac{54}{18} = - 3.\ \]