72x-9/2x^2

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Solution for 72x-9/2x^2 equation: 


x in (-oo:+oo)

72*x-((9/2)*x^2) = 0

(-9/2)*x^2+72*x = 0

72*x-9/2*x^2 = 0

DELTA = 72^2-(-9/2*0*4)

DELTA = 5184

DELTA > 0

x = (5184^(1/2)-72)/(-9/2*2) or x = (-5184^(1/2)-72)/(-9/2*2)

x = 0 or x = 16

x in { 0, 16 }

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