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The quadratic x^2 + 5x + c = 0 has roots in the form of $x = \frac{-5 \pm \sqrt{17}}{2}$. What is the value of ?

 Jan 22, 2022
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x2+5x+c=0 => a=1, b=5, c=?  => b2 = 25, 4ac = 4c => b2 - 4ac = 17 => 25 - 4c = 17 => c = 2.

 \(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)

 Jan 22, 2022

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