-1/2*32x^2+20x+3=9

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Solution for -1/2*32x^2+20x+3=9 equation: 


x in (-oo:+oo)

32*(-1/2)*x^2+20*x+3 = 9 // - 9

32*(-1/2)*x^2+20*x-9+3 = 0

20*x-16*x^2-6 = 0

DELTA = 20^2-(-16*(-6)*4)

DELTA = 16

DELTA > 0

x = (16^(1/2)-20)/(-16*2) or x = (-16^(1/2)-20)/(-16*2)

x = 1/2 or x = 3/4

x in { 1/2, 3/4 }

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