3n^2-7n-14=0

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Solution for 3n^2-7n-14=0 equation:



3n^2-7n-14=0
a = 3; b = -7; c = -14;
Δ = b2-4ac
Δ = -72-4·3·(-14)
Δ = 217
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$n_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$n_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$n_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-7)-\sqrt{217}}{2*3}=\frac{7-\sqrt{217}}{6} $
$n_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-7)+\sqrt{217}}{2*3}=\frac{7+\sqrt{217}}{6} $

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