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Simplifying x2 + -1xy + y2 = 39 Reorder the terms: -1xy + x2 + y2 = 39 Solving -1xy + x2 + y2 = 39 Solving for variable 'x'. Reorder the terms: -39 + -1xy + x2 + y2 = 39 + -39 Combine like terms: 39 + -39 = 0 -39 + -1xy + x2 + y2 = 0 The solution to this equation could not be determined.
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