2y^2-11y-10=0

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Solution for 2y^2-11y-10=0 equation: 



2y^2-11y-10=0

a = 2; b = -11; c = -10;
Δ = b2-4ac
Δ = -112-4·2·(-10)
Δ = 201
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{-(-11)-\sqrt{201}}{2*2}=\frac{11-\sqrt{201}}{4}
$


$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-11)+\sqrt{201}}{2*2}=\frac{11+\sqrt{201}}{4}
$

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