x^2/2+9x/14-5/7=0

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Solution for x^2/2+9x/14-5/7=0 equation: 


x in (-oo:+oo)

(x^2)/2+(9*x)/14-(5/7) = 0

(x^2)/2+(9*x)/14-5/7 = 0

1/2*x^2+9/14*x-5/7 = 0

DELTA = (9/14)^2-(-5/7*1/2*4)

DELTA = 361/196

DELTA > 0

x = ((361/196)^(1/2)-9/14)/(1/2*2) or x = (-(361/196)^(1/2)-9/14)/(1/2*2)

x = 5/7 or x = -2

x in { -2, 5/7 }

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