Remove the Parentheses by Multiplying and Then Simplify by Combining $8 x \left( x ^ { 2 } - 4 x - 4 \right) + x \left( 7 x ^ { 2 } + 4 x - 5 \right)$

Multiple Choice

Remove the parentheses by multiplying and then simplify by combining similar terms. $8 x \left( x ^ { 2 } - 4 x - 4 \right) + x \left( 7 x ^ { 2 } + 4 x - 5 \right)$

A) $15 x ^ { 3 } - 28 x ^ { 2 } - 39 x$
B) $15 x ^ { 3 } - 28 x ^ { 2 } - 37 x$
C) $15 x ^ { 3 } - 30 x ^ { 2 } - 38 x$
D) $16 x ^ { 3 } - 30 x ^ { 2 } - 37 x$
E) $16 x ^ { 3 } - 28 x ^ { 2 } - 37 x$