x^2/2+9x/10-9/5=0

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Solution for x^2/2+9x/10-9/5=0 equation: 


x in (-oo:+oo)

(x^2)/2+(9*x)/10-(9/5) = 0

(x^2)/2+(9*x)/10-9/5 = 0

1/2*x^2+9/10*x-9/5 = 0

DELTA = (9/10)^2-(-9/5*1/2*4)

DELTA = 441/100

DELTA > 0

x = ((441/100)^(1/2)-9/10)/(1/2*2) or x = (-(441/100)^(1/2)-9/10)/(1/2*2)

x = 6/5 or x = -3

x in { -3, 6/5 }

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