(42x^2-478x-2459)/81993=0

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Solution for (42x^2-478x-2459)/81993=0 equation: 


x in (-oo:+oo)

(42*x^2-(478*x)-2459)/81993 = 0

(42*x^2-478*x-2459)/81993 = 0

42*x^2-478*x-2459 = 0

42*x^2-478*x-2459 = 0

DELTA = (-478)^2-(-2459*4*42)

DELTA = 641596

DELTA > 0

x = (641596^(1/2)+478)/(2*42) or x = (478-641596^(1/2))/(2*42)

x = (2*160399^(1/2)+478)/84 or x = (478-2*160399^(1/2))/84

(x-((478-2*160399^(1/2))/84))*(x-((2*160399^(1/2)+478)/84)) = 0

((x-((478-2*160399^(1/2))/84))*(x-((2*160399^(1/2)+478)/84)))/81993 = 0

( x-((2*160399^(1/2)+478)/84) )

x-((2*160399^(1/2)+478)/84) = 0 // + (2*160399^(1/2)+478)/84

x = (2*160399^(1/2)+478)/84

( x-((478-2*160399^(1/2))/84) )

x-((478-2*160399^(1/2))/84) = 0 // + (478-2*160399^(1/2))/84

x = (478-2*160399^(1/2))/84

x in { (2*160399^(1/2)+478)/84, (478-2*160399^(1/2))/84 }

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