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What's the standard equation of the circle with the general equation x2 + y2 + 4x - 2y - 20 = 0
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What's the standard equation of the circle with the general equation x2 + y2 + 4x - 2y - 20 = 0

User Roman Gherta
by
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1 Answer

1 vote

Answer:

(x+2)2+(y-1)2=25

Explanation:

x2+y2+4x-2y+4+1=20+4+1

User Tomute
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