3y2+11y+-4=0

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Solution for 3y2+11y+-4=0 equation:



3y^2+11y+-4=0
We add all the numbers together, and all the variables
3y^2+11y=0
a = 3; b = 11; c = 0;
Δ = b2-4ac
Δ = 112-4·3·0
Δ = 121
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{121}=11$
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(11)-11}{2*3}=\frac{-22}{6} =-3+2/3 $
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(11)+11}{2*3}=\frac{0}{6} =0 $

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