Solve the Equation by Extracting the Square Roots $$( r + 3 ) ^ { 2 } = 15$$

Multiple Choice

Solve the equation by extracting the square roots.
- $$( r + 3 ) ^ { 2 } = 15$$

A) $\mathrm { r } = \sqrt { 15 }$ or $\mathrm { r } = \sqrt { 15 }$
B) $r = - 3 + \sqrt { 15 }$ or $r = - 3 - \sqrt { 15 }$
C) $\mathrm { r } = \sqrt { 12 }$ or $\mathrm { r } = - \sqrt { 12 }$
D) $r = 3 + \sqrt { 15 }$ or $r = 3 - \sqrt { 15 }$