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Simplifying x2 + -1xy + -1(1 + y2) = 0 x2 + -1xy + (1 * -1 + y2 * -1) = 0 x2 + -1xy + (-1 + -1y2) = 0 Reorder the terms: -1 + -1xy + x2 + -1y2 = 0 Solving -1 + -1xy + x2 + -1y2 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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