Use the Distributive Property to Write the Expression Without Parentheses $- \frac { 8 } { 7 } ( 14 x - 21 )$

Multiple Choice

Use the distributive property to write the expression without parentheses. Then simplify, if necessary.
- $- \frac { 8 } { 7 } ( 14 x - 21 )$

A) $8 x$
B) $- 16 x - 24$
C) $16 x - 24$
D) $- 16 x + 24$