Answer:
Step-by-step explanation:
compare with x²+y²+2gx+2fy+c=0
center is (-g,-f)
radius=√(g²+f²-c)
2g=-14
g=-7
2f=-12
f=-6
center is (7,6)
radius=√((-7)²+(-6)²-76)
=√(49+36-76)
=√(85-76)
=√9
=3
