\[2y² + 19y - 27 = 0\]
\[D = b^{2} - 4ac =\]
\[= 361 - 4 \cdot 2 \cdot ( - 27) =\]
\[= 361 + 216 > 0\]
\[y_{1} \cdot y_{2} = - \frac{27}{2} \Longrightarrow корни\ разных\ \]
\[знаков.\]