6x2+22x+20=0

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Solution for 6x2+22x+20=0 equation:



6x^2+22x+20=0
a = 6; b = 22; c = +20;
Δ = b2-4ac
Δ = 222-4·6·20
Δ = 4
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{4}=2$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(22)-2}{2*6}=\frac{-24}{12} =-2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(22)+2}{2*6}=\frac{-20}{12} =-1+2/3 $

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