2x/4-x^2

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


x in (-oo:+oo)

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

1/2*x-x^2 = 0

DELTA = (1/2)^2-(-1*0*4)

DELTA = 1/4

DELTA > 0

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

x = 0 or x = 1/2

x in { 0, 1/2 }

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