(x2/4)-4x

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Solution for (x2/4)-4x equation: 


x in (-oo:+oo)

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

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

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

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

DELTA = 16

DELTA > 0

x = (16^(1/2)+4)/(1/4*2) or x = (4-16^(1/2))/(1/4*2)

x = 16 or x = 0

x in { 0, 16 }

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