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1.9104x^2-4.1724x=0
a = 1.9104; b = -4.1724; c = 0;
Δ = b2-4ac
Δ = -4.17242-4·1.9104·0
Δ = 17.40892176
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{-(-4.1724)-\sqrt{17.40892176}}{2*1.9104}=\frac{4.1724-\sqrt{17.40892176}}{3.8208} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-4.1724)+\sqrt{17.40892176}}{2*1.9104}=\frac{4.1724+\sqrt{17.40892176}}{3.8208} $
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