September 2021 0 10 Report
Помогите, срочно. "Найди все значения k, при которых корни x1 и x2 уравнения x2 + 5x + k = 0 удовлетворяют условию x1 – x2 = 4."

ответы:
2,25.
–2,25.
1,25.
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