Input: x^2-y^2-1=0
Write: `x^2-y^2-1=0`
Output: $$ -1+{x}^{2}-{y}^{2}=0 == -1+{x}^{2}-{y}^{2}=0 $$ Result: $$-1+{x}^{2}-{y}^{2}=0$$
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