12y^2-20y+3=0

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Solution for 12y^2-20y+3=0 equation:



12y^2-20y+3=0
a = 12; b = -20; c = +3;
Δ = b2-4ac
Δ = -202-4·12·3
Δ = 256
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{256}=16$
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-20)-16}{2*12}=\frac{4}{24} =1/6 $
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-20)+16}{2*12}=\frac{36}{24} =1+1/2 $

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