1/1x^2-2x-3

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Solution for 1/1x^2-2x-3 equation: 


x in (-oo:+oo)

(1/1)*x^2-(2*x)-3 = 0

x^2-2*x-3 = 0

x^2-2*x-3 = 0

DELTA = (-2)^2-(-3*1*4)

DELTA = 16

DELTA > 0

x = (16^(1/2)+2)/(1*2) or x = (2-16^(1/2))/(1*2)

x = 3 or x = -1

x in { -1, 3 }

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