11x^2-216x+324=0

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Solution for 11x^2-216x+324=0 equation:



11x^2-216x+324=0
a = 11; b = -216; c = +324;
Δ = b2-4ac
Δ = -2162-4·11·324
Δ = 32400
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{32400}=180$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-216)-180}{2*11}=\frac{36}{22} =1+7/11 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-216)+180}{2*11}=\frac{396}{22} =18 $

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