3x2-2x-133=0

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Solution for 3x2-2x-133=0 equation:



3x^2-2x-133=0
a = 3; b = -2; c = -133;
Δ = b2-4ac
Δ = -22-4·3·(-133)
Δ = 1600
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1600}=40$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-2)-40}{2*3}=\frac{-38}{6} =-6+1/3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-2)+40}{2*3}=\frac{42}{6} =7 $

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