Solve Check for Extraneous Solutions $\sqrt{\mathrm{x}^{2}+2 \mathrm{x}+81}=9$ A) $\{0,-2\}$ B) $\{-2,2\}$ C) $\{-2\}$ D) $\varnothing$

Multiple Choice

Solve. Check for extraneous solutions.
- $\sqrt{\mathrm{x}^{2}+2 \mathrm{x}+81}=9$

A) $\{0,-2\}$
B) $\{-2,2\}$
C) $\{-2\}$
D) $\varnothing$