4x-1/2x^2+3

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Solution for 4x-1/2x^2+3 equation: 


x in (-oo:+oo)

4*x-((1/2)*x^2)+3 = 0

(-1/2)*x^2+4*x+3 = 0

4*x-1/2*x^2+3 = 0

DELTA = 4^2-(-1/2*3*4)

DELTA = 22

DELTA > 0

x = (22^(1/2)-4)/(-1/2*2) or x = (-22^(1/2)-4)/(-1/2*2)

x = 4-22^(1/2) or x = 22^(1/2)+4

x in { 4-22^(1/2), 22^(1/2)+4 }

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