36-27x+2x^2=0

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Solution for 36-27x+2x^2=0 equation:



36-27x+2x^2=0
a = 2; b = -27; c = +36;
Δ = b2-4ac
Δ = -272-4·2·36
Δ = 441
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{441}=21$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-27)-21}{2*2}=\frac{6}{4} =1+1/2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-27)+21}{2*2}=\frac{48}{4} =12 $

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