x^2/14+x+13/7=0

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Solution for x^2/14+x+13/7=0 equation: 


x in (-oo:+oo)

(x^2)/14+x+13/7 = 0

1/14*x^2+x+13/7 = 0

DELTA = 1^2-(1/14*13/7*4)

DELTA = 23/49

DELTA > 0

x = ((23/49)^(1/2)-1)/(1/14*2) or x = (-(23/49)^(1/2)-1)/(1/14*2)

x = 7*((23/49)^(1/2)-1) or x = -7*((23/49)^(1/2)+1)

x in { -7*((23/49)^(1/2)+1), 7*((23/49)^(1/2)-1) }

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