(x^2/20+x/4+1/5)=0

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Solution for (x^2/20+x/4+1/5)=0 equation: 


x in (-oo:+oo)

(x^2)/20+x/4+1/5 = 0

1/20*x^2+1/4*x+1/5 = 0

DELTA = (1/4)^2-(1/20*1/5*4)

DELTA = 9/400

DELTA > 0

x = ((9/400)^(1/2)-1/4)/(1/20*2) or x = (-(9/400)^(1/2)-1/4)/(1/20*2)

x = -1 or x = -4

x in { -4, -1 }

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