x*x+3x-5/5=180

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Solution for x*x+3x-5/5=180 equation:



x*x+3x-5/5=180
We move all terms to the left:
x*x+3x-5/5-(180)=0
determiningTheFunctionDomain x*x+3x-180-5/5=0
We add all the numbers together, and all the variables
3x+x*x-181=0
Wy multiply elements
x^2+3x-181=0
a = 1; b = 3; c = -181;
Δ = b2-4ac
Δ = 32-4·1·(-181)
Δ = 733
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{-(3)-\sqrt{733}}{2*1}=\frac{-3-\sqrt{733}}{2} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(3)+\sqrt{733}}{2*1}=\frac{-3+\sqrt{733}}{2} $

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