X-2y2+5=0

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Solution for X-2y2+5=0 equation: 



X-2X^2+5=0

a = -2; b = 1; c = +5;
Δ = b2-4ac
Δ = 12-4·(-2)·5
Δ = 41
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{-(1)-\sqrt{41}}{2*-2}=\frac{-1-\sqrt{41}}{-4}
$


$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(1)+\sqrt{41}}{2*-2}=\frac{-1+\sqrt{41}}{-4}
$

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