X^2-9x-273=0

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Solution for X^2-9x-273=0 equation: 



X^2-9X-273=0

a = 1; b = -9; c = -273;
Δ = b2-4ac
Δ = -92-4·1·(-273)
Δ = 1173
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-9)-\sqrt{1173}}{2*1}=\frac{9-\sqrt{1173}}{2}
$


$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-9)+\sqrt{1173}}{2*1}=\frac{9+\sqrt{1173}}{2}
$

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