Find an equation of the tangent line to the curve 2(x² + y²)² = 25(x² - y²) (a lemniscate) at the point (3, 1). An equation of the tangent line to the lemniscate at the ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ given point is

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