9000020410

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9000020410
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Kvadratická rovnica \[ ax^{2} + 4x + c = 0 \] má korene \(x_{1} = -3\) a \(x_{2} = 5\). Určte hodnotu koeficientov \(a\) a \(c\).
\(a = -2\), \(c = 30\)
\(a = -2\), \(c = -30\)
\(a = 2\), \(c = -30\)
\(a = 2\), \(c = 30\)