Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Divide
- $\frac{42 x^{7}-24 x^{6}+42 x^{5}}{6 x^{6}}$

A) $7 x-24 x^{6}+\frac{7}{x}$
B) $14 x-4$
C) $7 x-4$
D) $7 x-4+\frac{7}{x}$