Find the Product $$\left( x ^ { 2 } - 3 x + 1 \right) ( 5 x )$$

Multiple Choice

Find the product.
- $$\left( x ^ { 2 } - 3 x + 1 \right) ( 5 x )$$

A) $5 x ^ { 3 } - 15 x ^ { 2 } + 5 x$
B) $5 x ^ { 3 } - 14 x ^ { 2 } + 2 x$
C) $5 x ^ { 3 } - 15 x ^ { 2 } - 8 x$
D) $5 x ^ { 3 } + 16 x ^ { 2 } + 5 x$