3x2-46x+91=0

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Solution for 3x2-46x+91=0 equation:



3x^2-46x+91=0
a = 3; b = -46; c = +91;
Δ = b2-4ac
Δ = -462-4·3·91
Δ = 1024
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1024}=32$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-46)-32}{2*3}=\frac{14}{6} =2+1/3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-46)+32}{2*3}=\frac{78}{6} =13 $

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