Q.
A. 5x2 + 5y2 - 60x + 7=0
B. 5x2 + 5y2 + 60x - 7=0
C. 5x2 + 5y2 - 60x - 7=0
D. 5x2 + 5y2 + 60x + 7=0
E. None of the above
Correct choice: D
Explanation: