x-5/25-x^2

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Solution for x-5/25-x^2 equation: 


x in (-oo:+oo)

x-x^2-(5/25) = 0

x-x^2-1/5 = 0

x-x^2-1/5 = 0

DELTA = 1^2-(-1*(-1/5)*4)

DELTA = 1/5

DELTA > 0

x = ((1/5)^(1/2)-1)/(-1*2) or x = (-(1/5)^(1/2)-1)/(-1*2)

x = ((1/5)^(1/2)-1)/(-2) or x = ((1/5)^(1/2)+1)/2

x in { ((1/5)^(1/2)-1)/(-2), ((1/5)^(1/2)+1)/2 }

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