x^2/2+3x-7/2=0

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Solution for x^2/2+3x-7/2=0 equation: 


x in (-oo:+oo)

(x^2)/2+3*x-(7/2) = 0

(x^2)/2+3*x-7/2 = 0

1/2*x^2+3*x-7/2 = 0

DELTA = 3^2-(-7/2*1/2*4)

DELTA = 16

DELTA > 0

x = (16^(1/2)-3)/(1/2*2) or x = (-16^(1/2)-3)/(1/2*2)

x = 1 or x = -7

x in { -7, 1 }

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