If Possible, Factor the Polynomial Completely $$x ^ { 2 } + 10 x y + 25 y ^ { 2 }$$

Multiple Choice

If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.
- $$x ^ { 2 } + 10 x y + 25 y ^ { 2 }$$

A) $( x + 5 y ) ( x - 5 y )$
B) $x ^ { 2 } + 10 x y + 25 y ^ { 2 }$
C) $( x + 5 y ) ^ { 2 }$
D) $( x - 5 y ) ^ { 2 }$