60x^2-69x+18=0

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Solution for 60x^2-69x+18=0 equation:



60x^2-69x+18=0
a = 60; b = -69; c = +18;
Δ = b2-4ac
Δ = -692-4·60·18
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{-(-69)-21}{2*60}=\frac{48}{120} =2/5 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-69)+21}{2*60}=\frac{90}{120} =3/4 $

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