12-6x-27x^2/4

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Solution for 12-6x-27x^2/4 equation: 


x in (-oo:+oo)

12-((27*x^2)/4)-(6*x) = 0

(-27/4)*x^2-6*x+12 = 0

12-27/4*x^2-6*x = 0

DELTA = (-6)^2-(-27/4*4*12)

DELTA = 360

DELTA > 0

x = (360^(1/2)+6)/(-27/4*2) or x = (6-360^(1/2))/(-27/4*2)

x = -2/27*(6*10^(1/2)+6) or x = -2/27*(6-6*10^(1/2))

x in { -2/27*(6*10^(1/2)+6), -2/27*(6-6*10^(1/2)) }

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