Find the values of \( m \) for which the expression \( 2 x^{2}+m x y \) \( +3 y^{2}-5 y-2 \) can...

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Find the values of \( m \) for which the expression \( 2 x^{2}+m x y \) \( +3 y^{2}-5 y-2 \) can be resolved into two rational linear factors.
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