The roots of the quadratic equation \(2x^{2} - 5x + m = 0\) are \(\alpha\) and \(\beta\), where m is a constant. Find \(\alpha^{2} + \beta^{2}\) in terms of m.
A. \(\frac{25}{4} - m\) B. \(\frac{25}{4} - 2m\) C. \(\frac{25}{4} + m\) D. \(\frac{25}{4} + 2m\)
