Question

Clarification

Answer 1

\[x^{2}+y^{2}+8x-6y+21 = 0 \]

write this in standard form

Answer 2

\[x^{2}+8x+y^{2}-6y+21 = 0 \]

\[(x+4)^{2}-16+(x-3)^{2}-9+21 \]

\[(x+4)^{2}+(y-3)^{2}-4 = 0 \]

\[(x+4)^{2}+(y-3)^{2} = 4 \]