x^2-3-6-x=0

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Solution for x^2-3-6-x=0 equation:



x^2-3-6-x=0
We add all the numbers together, and all the variables
x^2-1x-9=0
a = 1; b = -1; c = -9;
Δ = b2-4ac
Δ = -12-4·1·(-9)
Δ = 37
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{-(-1)-\sqrt{37}}{2*1}=\frac{1-\sqrt{37}}{2} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-1)+\sqrt{37}}{2*1}=\frac{1+\sqrt{37}}{2} $

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