Mathematics, 18.05.2021 16:30 mia2286

The equation x2 + y2 + 2x - 4y = b describes a circle. The radius of the circle is 6. What is the value of b inthe equation?

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The equation x2 + y2 + 2x - 4y = b describes a circle. The radius of the circle is 6. What is the va...