Multiply the Polynomials Using a Special Product Formula $( 5 x + 4 ) ^ { 3 }$

Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.
- $( 5 x + 4 ) ^ { 3 }$

A) $25 x ^ { 2 } + 40 x + 16$
B) $125 x ^ { 3 } + 300 x ^ { 2 } + 240 x + 64$
C) $125 x ^ { 3 } + 300 x ^ { 2 } + 300 x + 64$
D) $25 x ^ { 6 } + 20 x ^ { 3 } + 4096$