8y^2+19y=0

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Solution for 8y^2+19y=0 equation:



8y^2+19y=0
a = 8; b = 19; c = 0;
Δ = b2-4ac
Δ = 192-4·8·0
Δ = 361
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{361}=19$
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(19)-19}{2*8}=\frac{-38}{16} =-2+3/8 $
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(19)+19}{2*8}=\frac{0}{16} =0 $

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