5g^2+2g-6=0

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Solution for 5g^2+2g-6=0 equation:



5g^2+2g-6=0
a = 5; b = 2; c = -6;
Δ = b2-4ac
Δ = 22-4·5·(-6)
Δ = 124
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$g_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$g_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:
$\sqrt{\Delta}=\sqrt{124}=\sqrt{4*31}=\sqrt{4}*\sqrt{31}=2\sqrt{31}$
$g_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(2)-2\sqrt{31}}{2*5}=\frac{-2-2\sqrt{31}}{10} $
$g_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(2)+2\sqrt{31}}{2*5}=\frac{-2+2\sqrt{31}}{10} $

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