-1/2*-0.8x^2+14.4x+2=0

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Solution for -1/2*-0.8x^2+14.4x+2=0 equation: 


x in (-oo:+oo)

14.4*x-0.8*(-1/2)*x^2+2 = 0

0.4*x^2+14.4*x+2 = 0

DELTA = 14.4^2-(0.4*2*4)

DELTA = 14.4^2-3.2

DELTA = 204.16

DELTA > 0

x = ((14.4^2-3.2)^(1/2)-14.4)/(0.4*2) or x = (-(14.4^2-3.2)^(1/2)-14.4)/(0.4*2)

x = 1.25*((14.4^2-3.2)^(1/2)-14.4) or x = -1.25*((14.4^2-3.2)^(1/2)+14.4)

x in { -1.25*((14.4^2-3.2)^(1/2)+14.4), 1.25*((14.4^2-3.2)^(1/2)-14.4) }

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