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D( x )
x^2-(x-(2*4.6))^2 = 0
x^2-(x-(2*4.6))^2 = 0
x^2-(x-(2*4.6))^2 = 0
x^2-(x-9.2)^2 = 0
x^2-1*(x-9.2)^2 = 0
x^2-1*(x-9.2)^2 = 0
18.4*x-84.64 = 0
18.4*x-84.64 = 0
18.4*x-84.64 = 0 // + 84.64
18.4*x = 84.64 // : 18.4
x = 84.64/18.4
x = 4.6
x in (-oo:4.6) U (4.6:+oo)
0.7 = (x^2-156^2)/(x^2-(x-(2*4.6))^2) // - (x^2-156^2)/(x^2-(x-(2*4.6))^2)
0.7-((x^2-156^2)/(x^2-(x-(2*4.6))^2)) = 0
0.7-((x^2-156^2)/(x^2-(x-9.2)^2)) = 0
(-1*(x^2-24336))/(x^2-1*(x-9.2)^2)+0.7 = 0
x^2-1*(x-9.2)^2 = 0
x^2-1*(x-9.2)^2 = 0
x^2-1*(x-9.2)^2 = 0
18.4*x-84.64 = 0
18.4*x-84.64 = 0
(-1*(x^2-24336))/(18.4*x-84.64)+0.7 = 0
(-1*(x^2-24336))/(18.4*x-84.64)+(0.7*(18.4*x-84.64))/(18.4*x-84.64) = 0
0.7*(18.4*x-84.64)-1*(x^2-24336) = 0
12.88*x-x^2+24276.752 = 0
12.88*x-x^2+24276.752 = 0
12.88*x-x^2+24276.752 = 0
DELTA = 12.88^2-(-1*4*24276.752)
DELTA = 12.88^2+97107.008
DELTA = 97272.9024
DELTA > 0
x = ((12.88^2+97107.008)^(1/2)-12.88)/(-1*2) or x = (-(12.88^2+97107.008)^(1/2)-12.88)/(-1*2)
x = ((12.88^2+97107.008)^(1/2)-12.88)/(-2) or x = ((12.88^2+97107.008)^(1/2)+12.88)/2
(x-(((12.88^2+97107.008)^(1/2)-12.88)/(-2)))*(x-(((12.88^2+97107.008)^(1/2)+12.88)/2)) = 0
((x-(((12.88^2+97107.008)^(1/2)-12.88)/(-2)))*(x-(((12.88^2+97107.008)^(1/2)+12.88)/2)))/(18.4*x-84.64) = 0
((x-(((12.88^2+97107.008)^(1/2)-12.88)/(-2)))*(x-(((12.88^2+97107.008)^(1/2)+12.88)/2)))/(18.4*x-84.64) = 0 // * 18.4*x-84.64
(x-(((12.88^2+97107.008)^(1/2)-12.88)/(-2)))*(x-(((12.88^2+97107.008)^(1/2)+12.88)/2)) = 0
( x-(((12.88^2+97107.008)^(1/2)+12.88)/2) )
x-(((12.88^2+97107.008)^(1/2)+12.88)/2) = 0 // + ((12.88^2+97107.008)^(1/2)+12.88)/2
x = ((12.88^2+97107.008)^(1/2)+12.88)/2
( x-(((12.88^2+97107.008)^(1/2)-12.88)/(-2)) )
x-(((12.88^2+97107.008)^(1/2)-12.88)/(-2)) = 0 // + ((12.88^2+97107.008)^(1/2)-12.88)/(-2)
x = ((12.88^2+97107.008)^(1/2)-12.88)/(-2)
x in { ((12.88^2+97107.008)^(1/2)+12.88)/2, ((12.88^2+97107.008)^(1/2)-12.88)/(-2) }
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