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4.44+2.74x-0.0587x^2=0
a = -0.0587; b = 2.74; c = +4.44;
Δ = b2-4ac
Δ = 2.742-4·(-0.0587)·4.44
Δ = 8.550112
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{-(2.74)-\sqrt{8.550112}}{2*-0.0587}=\frac{-2.74-\sqrt{8.550112}}{-0.1174} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(2.74)+\sqrt{8.550112}}{2*-0.0587}=\frac{-2.74+\sqrt{8.550112}}{-0.1174} $
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