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Frequently Asked Questions (FAQ)
What is x^2+4x+y^2+4=9((x-2)^2+(y+4)^2) ?
- The solution to x^2+4x+y^2+4=9((x-2)^2+(y+4)^2) is Circle with (a,b)=(5/2 ,-9/2),r= 3/(sqrt(2))