X2-x=180

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Solution for X2-x=180 equation:



X2-X=180
We move all terms to the left:
X2-X-(180)=0
We add all the numbers together, and all the variables
X^2-1X-180=0
a = 1; b = -1; c = -180;
Δ = b2-4ac
Δ = -12-4·1·(-180)
Δ = 721
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{721}}{2*1}=\frac{1-\sqrt{721}}{2} $
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-1)+\sqrt{721}}{2*1}=\frac{1+\sqrt{721}}{2} $

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