x^2+19x+66=0

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Solution for x^2+19x+66=0 equation: 



x^2+19x+66=0

a = 1; b = 19; c = +66;
Δ = b2-4ac
Δ = 192-4·1·66
Δ = 97
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(19)-\sqrt{97}}{2*1}=\frac{-19-\sqrt{97}}{2}
$


$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(19)+\sqrt{97}}{2*1}=\frac{-19+\sqrt{97}}{2}
$

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