2w^2+w-99=0

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Solution for 2w^2+w-99=0 equation: 



2w^2+w-99=0

a = 2; b = 1; c = -99;
Δ = b2-4ac
Δ = 12-4·2·(-99)
Δ = 793
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$w_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$w_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$w_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(1)-\sqrt{793}}{2*2}=\frac{-1-\sqrt{793}}{4}
$


$w_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(1)+\sqrt{793}}{2*2}=\frac{-1+\sqrt{793}}{4}
$

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