\[y = 2x^{2} + bx + c;\ \ A( - 3; - 2)\]
\[1)\ x_{0} = - \frac{b}{2a}\]
\[- 3 = - \frac{b}{4}\]
\[- b = - 12\]
\[b = 12.\]
\[2)\ 2 \cdot ( - 3)^{2} + 12 \cdot ( - 3) + c = - 2\]
\[18 - 36 + c = - 2\]
\[c = - 2 + 18\]
\[c = 16.\]
\[Ответ:b = 12;\ \ c = 16.\]