Simplify the Expression by Combining Like Terms $14 x ^ { 3 } + 3 x ^ { 3 }$

Simplify the expression by combining like terms.
- $14 x ^ { 3 } + 3 x ^ { 3 }$

A) 17x6
B) $17 x ^ { 3 }$
C) 16 $16 x ^ { 3 }$
D) $17 x ^ { 9 }$