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Show that the circles x^(2) + y^(2) + 6x...

Show that the circles `x^(2) + y^(2) + 6x + 2y + 8 = 0` and `x^(2) + y^(2) + 2x + 6y + 1 = 0` intersect each other.

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Center of the circle x^(2) + y^(2) - 4x + 6y - 12 = 0 is -