x2+17x-22=0

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Solution for x2+17x-22=0 equation:



x2+17x-22=0
We add all the numbers together, and all the variables
x^2+17x-22=0
a = 1; b = 17; c = -22;
Δ = b2-4ac
Δ = 172-4·1·(-22)
Δ = 377
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{-(17)-\sqrt{377}}{2*1}=\frac{-17-\sqrt{377}}{2} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(17)+\sqrt{377}}{2*1}=\frac{-17+\sqrt{377}}{2} $

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