17y^2+8y=0

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Solution for 17y^2+8y=0 equation: 



17y^2+8y=0

a = 17; b = 8; c = 0;
Δ = b2-4ac
Δ = 82-4·17·0
Δ = 64
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{64}=8$


$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(8)-8}{2*17}=\frac{-16}{34}
=-8/17
$


$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(8)+8}{2*17}=\frac{0}{34}
=0
$

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