Write a Linear Factorization of the Function $$f ( x ) = x ^ { 4 } + 25 x ^ { 2 }$$

Multiple Choice

Write a linear factorization of the function.
- $$f ( x ) = x ^ { 4 } + 25 x ^ { 2 }$$

A) $f ( x ) = x ^ { 2 } ( 5 x + i ) ^ { 2 }$
B) $f ( x ) = x ^ { 2 } ( 5 x + i ) ( 5 x - i )$
C) $f ( x ) = x ^ { 2 } ( x + 5 i ) ^ { 2 }$
D) $f ( x ) = x ^ { 2 } ( x + 5 i ) ( x - 5 i )$