-11.1-2.2x=2.2x/7.7-2x-x^2

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Solution for -11.1-2.2x=2.2x/7.7-2x-x^2 equation: 


x in (-oo:+oo)

-(2.2*x)-11.1 = (2.2*x)/7.7-x^2-(2*x) // - (2.2*x)/7.7-x^2-(2*x)

x^2-(2.2*x)-((2.2*x)/7.7)+2*x-11.1 = 0

x^2-2.2*x-0.28571429*x+2*x-11.1 = 0

x^2-0.48571429*x-11.1 = 0

DELTA = (-0.48571429)^2-(-11.1*1*4)

DELTA = 0.48571429^2+44.4

DELTA = 44.63591837

DELTA > 0

x = ((0.48571429^2+44.4)^(1/2)+0.48571429)/(1*2) or x = (0.48571429-(0.48571429^2+44.4)^(1/2))/(1*2)

x = ((0.48571429^2+44.4)^(1/2)+0.48571429)/2 or x = (0.48571429-(0.48571429^2+44.4)^(1/2))/2

x in { (0.48571429-(0.48571429^2+44.4)^(1/2))/2, ((0.48571429^2+44.4)^(1/2)+0.48571429)/2 }

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