x^2+3x+4.5=8/2

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Solution for x^2+3x+4.5=8/2 equation: 


x in (-oo:+oo)

x^2+3*x+4.5 = 8/2 // - 8/2

x^2+3*x-(8/2)+4.5 = 0

x^2+3*x-4+4.5 = 0

x^2+3*x+0.5 = 0

DELTA = 3^2-(0.5*1*4)

DELTA = 7

DELTA > 0

x = (7^(1/2)-3)/(1*2) or x = (-7^(1/2)-3)/(1*2)

x = (7^(1/2)-3)/2 or x = (-(7^(1/2)+3))/2

x in { (-(7^(1/2)+3))/2, (7^(1/2)-3)/2 }

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