6x2-40x-14=0

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Solution for 6x2-40x-14=0 equation:



6x^2-40x-14=0
a = 6; b = -40; c = -14;
Δ = b2-4ac
Δ = -402-4·6·(-14)
Δ = 1936
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1936}=44$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-40)-44}{2*6}=\frac{-4}{12} =-1/3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-40)+44}{2*6}=\frac{84}{12} =7 $

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