Bluebook试题11 · 第 9 题

Bluebook试题11 · 原库模块 3 · Q9 原库参考解析

\( x^2+7x+5=0 \)
One solution to the given equation can be written as \( x=\frac{-7+\sqrt{k}}{2} \) , where is a constant. What is the value of k?

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