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X in (-oo:+oo)
((10^2*X^2-(10^2*X))/10-31)*(10^3*X^2-((10^3*X)/(10^4))) = 0
((10^2*X^2-(10^2*X))/10-31)*(10^3*X^2-(10^-1*X)) = 0
(1000*X^2-1/10*X)*((100*X^2-100*X)/10-31) = 0
1000*X^2-1/10*X = 0
X*(1000*X-1/10) = 0
1000*X-1/10 = 0 // + 1/10
1000*X = 1/10 // : 1000
X = 1/10/1000
X = 1/10000
X*(X-1/10000) = 0
(100*X^2-100*X)/10-31 = 0
(100*X^2-100*X)/10+(-31*10)/10 = 0
100*X^2-100*X-31*10 = 0
100*X^2-100*X-310 = 0
100*X^2-100*X-310 = 0
10*(10*X^2-10*X-31) = 0
10*X^2-10*X-31 = 0
DELTA = (-10)^2-(-31*4*10)
DELTA = 1340
DELTA > 0
X = (1340^(1/2)+10)/(2*10) or X = (10-1340^(1/2))/(2*10)
X = (2*335^(1/2)+10)/20 or X = (10-2*335^(1/2))/20
10*(X-((10-2*335^(1/2))/20))*(X-((2*335^(1/2)+10)/20)) = 0
(10*(X-((10-2*335^(1/2))/20))*(X-((2*335^(1/2)+10)/20)))/10 = 0
(10*(X-((10-2*335^(1/2))/20))*(X-((2*335^(1/2)+10)/20)))/10 = 0 // * 10
10*(X-((10-2*335^(1/2))/20))*(X-((2*335^(1/2)+10)/20)) = 0
10*X*(X-1/10000)*(X-((10-2*335^(1/2))/20))*(X-((2*335^(1/2)+10)/20)) = 0
( X-((10-2*335^(1/2))/20) )
X-((10-2*335^(1/2))/20) = 0 // + (10-2*335^(1/2))/20
X = (10-2*335^(1/2))/20
( X-((2*335^(1/2)+10)/20) )
X-((2*335^(1/2)+10)/20) = 0 // + (2*335^(1/2)+10)/20
X = (2*335^(1/2)+10)/20
( X-1/10000 )
X-1/10000 = 0 // + 1/10000
X = 1/10000
( X )
X = 0
X in { (10-2*335^(1/2))/20, (2*335^(1/2)+10)/20, 1/10000, 0 }
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