\[(y + 2)^{2} = 49\]
\[y + 2 = 7\ \ \ \ \ \ \ \ \ y + 2 = - 7\]
\[y = 7 - 2\ \ \ \ \ \ \ \ \ y = - 7 - 2\]
\[y = 5\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ y = - 9.\]