Solve the Problem $$- 9 x ( - 7 x - 10 )$$

Solve the problem.
- $$- 9 x ( - 7 x - 10 )$$

A) $x ^ { 2 }$
B) $- 7 x ^ { 2 } + 90 x$
C) $x ^ { 2 } + 90 x$
D) $x ^ { 2 } - 10 x$