\( (x+3)^{2}=4 \)
\( x = -5 \) or \( x = -1 \)
Step 1 :\( (x+3)^{2}=4 \)
Step 2 :\( x+3=\pm\sqrt{4} \)
Step 3 :\( x+3=\pm2 \)
Step 4 :\( x = -5 \) or \( x = -1 \)