Известно, что уравнения
[tex] {x}^{2} + (2a - 5)x + {a}^{2} + 1 = 0[/tex]
и
[tex] {x}^{3} + (2a - 5) {x}^{2} + ( {a}^{2} + 1)x + {a}^{2} - 25 = 0[/tex]
имеют общие корни. Найдите сумму этих корней. ​
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