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(1-x)*(2-x) = ((2*x)^2)/49.7 // - ((2*x)^2)/49.7
(1-x)*(2-x)-(((2*x)^2)/49.7) = 0
(1-x)*(2-x)-0.02012072*(2*x)^2 = 0
(1-x)*(2-x)-0.08048288*x^2 = 0
(1-x)*(2-x)-0.08048288*x^2 = 0
0.91951712*x^2-3*x+2 = 0
0.91951712*x^2-3*x+2 = 0
0.91951712*x^2-3*x+2 = 0
DELTA = (-3)^2-(0.91951712*2*4)
DELTA = 1.64386304
DELTA > 0
x = (1.64386304^(1/2)+3)/(0.91951712*2) or x = (3-1.64386304^(1/2))/(0.91951712*2)
x = 0.54376367*(1.64386304^(1/2)+3) or x = 0.54376367*(3-1.64386304^(1/2))
(x-0.54376367*(3-1.64386304^(1/2)))*(x-0.54376367*(1.64386304^(1/2)+3)) = 0
(x-0.54376367*(3-1.64386304^(1/2)))*(x-0.54376367*(1.64386304^(1/2)+3)) = 0
( x-0.54376367*(1.64386304^(1/2)+3) )
x-0.54376367*(1.64386304^(1/2)+3) = 0 // + -0.54376367*(1.64386304^(1/2)+3)
x = -(-0.54376367*(1.64386304^(1/2)+3))
x = 0.54376367*(1.64386304^(1/2)+3)
( x-0.54376367*(3-1.64386304^(1/2)) )
x-0.54376367*(3-1.64386304^(1/2)) = 0 // + -0.54376367*(3-1.64386304^(1/2))
x = -(-0.54376367*(3-1.64386304^(1/2)))
x = 0.54376367*(3-1.64386304^(1/2))
x in { 0.54376367*(1.64386304^(1/2)+3), 0.54376367*(3-1.64386304^(1/2)) }
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