3x^2+2x-800=0

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Solution for 3x^2+2x-800=0 equation:



3x^2+2x-800=0
a = 3; b = 2; c = -800;
Δ = b2-4ac
Δ = 22-4·3·(-800)
Δ = 9604
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{9604}=98$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(2)-98}{2*3}=\frac{-100}{6} =-16+2/3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(2)+98}{2*3}=\frac{96}{6} =16 $

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