(100*x2)/7=x

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Solution for (100*x2)/7=x equation: 


x in (-oo:+oo)

(100*x^2)/7 = x // - x

(100*x^2)/7-x = 0

100/7*x^2-x = 0

DELTA = (-1)^2-(0*4*100/7)

DELTA = 1

DELTA > 0

x = (1^(1/2)+1)/(2*100/7) or x = (1-1^(1/2))/(2*100/7)

x = 7/100 or x = 0

x in { 0, 7/100 }

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