X^2+8x+14.22=0

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Solution for X^2+8x+14.22=0 equation: 



X^2+8X+14.22=0

a = 1; b = 8; c = +14.22;
Δ = b2-4ac
Δ = 82-4·1·14.22
Δ = 7.12
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{-(8)-\sqrt{7.12}}{2*1}=\frac{-8-\sqrt{7.12}}{2}
$


$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(8)+\sqrt{7.12}}{2*1}=\frac{-8+\sqrt{7.12}}{2}
$

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