\left. \begin{array} { l } { 2 x ^ { 2 } + 14 x + 9 = 0 } \\ { 25 x ^ – InterviewSolution

1.	\left. \begin{array} { l } { 2 x ^ { 2 } + 14 x + 9 = 0 } \\ { 25 x ^ { 2 } + 50 x + 12 = 0 } \\ { 2 y ^ { 2 } + 14 y + 9 = 0 } \end{array} \right.
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