5-x/2-(18x)2

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Solution for 5-x/2-(18x)2 equation: 


x in (-oo:+oo)

5-(18*x)^2-(x/2) = 0

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

DELTA = (-1/2)^2-(-1*4*5)

DELTA = 81/4

DELTA > 0

x = ((81/4)^(1/2)+1/2)/(-1*2) or x = (1/2-(81/4)^(1/2))/(-1*2)

x = -5/2 or x = 2

x in { -5/2, 2 }

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