3y^2+5y-70=0

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Solution for 3y^2+5y-70=0 equation: 



3y^2+5y-70=0

a = 3; b = 5; c = -70;
Δ = b2-4ac
Δ = 52-4·3·(-70)
Δ = 865
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(5)-\sqrt{865}}{2*3}=\frac{-5-\sqrt{865}}{6}
$


$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+\sqrt{865}}{2*3}=\frac{-5+\sqrt{865}}{6}
$

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