x^2/4=100x

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Solution for x^2/4=100x equation: 


x in (-oo:+oo)

(x^2)/4 = 100*x // - 100*x

(x^2)/4-(100*x) = 0

(x^2)/4-100*x = 0

1/4*x^2-100*x = 0

DELTA = (-100)^2-(0*1/4*4)

DELTA = 10000

DELTA > 0

x = (10000^(1/2)+100)/(1/4*2) or x = (100-10000^(1/2))/(1/4*2)

x = 400 or x = 0

x in { 0, 400 }

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