x^2-7x^1/2

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Solution for x^2-7x^1/2 equation: 


x in (-oo:+oo)

x^2-((7*x^1)/2) = 0

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

x^2-7/2*x = 0

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

DELTA = 49/4

DELTA > 0

x = ((49/4)^(1/2)+7/2)/(1*2) or x = (7/2-(49/4)^(1/2))/(1*2)

x = 7/2 or x = 0

x in { 0, 7/2 }

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