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8.444*x-(2.111*y)-68.888;0.9722*y-2.111*x+17.222
(x^2-3)*(5-x^2) = 0
v/5-3 = 2
237;67
8.444*x-(2.111*y)-68.888;0.9722*y-2.111*x+17.222
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