y^2-8y-1353=0

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Solution for y^2-8y-1353=0 equation:



y^2-8y-1353=0
a = 1; b = -8; c = -1353;
Δ = b2-4ac
Δ = -82-4·1·(-1353)
Δ = 5476
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{5476}=74$
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-8)-74}{2*1}=\frac{-66}{2} =-33 $
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-8)+74}{2*1}=\frac{82}{2} =41 $

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