Erin was trying to find the diameter of the circle equation listed below. She said the diameter was 36. What mistake did Erin make? What is the actual diameter? x² + y² + 16x + 14y + 77 = 0 (x² + 16x + 64) + (y² + 14y + 49) – 77 + 64 + 49 (x + 8)² + (y + 7)² = ? = 36

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