Expand the Expression Using the Binomial Theorem $$( 5 x + 2 ) ^ { 4 }$$

Multiple Choice

Expand the expression using the Binomial Theorem.
- $$( 5 x + 2 ) ^ { 4 }$$

A) $1,250 x ^ { 4 } + 2,000 x ^ { 3 } + 600 x ^ { 2 } + 320 x + 16$
B) $625 x ^ { 4 } + 1,000 x ^ { 3 } + 600 x ^ { 2 } + 160 x + 16$
C) $\left( 25 x ^ { 2 } + 10 x + 4 \right) ^ { 4 }$
D) $625 x ^ { 3 } + 1,000 x ^ { 2 } + 600 x + 160$