1/4x^2-2x-5

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Solution for 1/4x^2-2x-5 equation: 


x in (-oo:+oo)

(1/4)*x^2-(2*x)-5 = 0

(1/4)*x^2-2*x-5 = 0

1/4*x^2-2*x-5 = 0

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

DELTA = 9

DELTA > 0

x = (9^(1/2)+2)/(1/4*2) or x = (2-9^(1/2))/(1/4*2)

x = 10 or x = -2

x in { -2, 10 }

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