Perform the Indicated Operations $$6 x ( 3 x - 4 )$$

Multiple Choice

Perform the indicated operations. Express the answer as a single polynomial in standard form.
- $$6 x ( 3 x - 4 )$$

A) $3 x ^ { 2 } - 24 x$
B) $18 x ^ { 2 } - 24 x$
C) $- 6 x ^ { 2 }$
D) $18 x ^ { 2 } - 4 x$