Add or Subtract $6 \sqrt{80 \mathrm{x}^{2}}-3 \sqrt{45 \mathrm{x}^{2}}-\sqrt{5 \mathrm{x}^{2}}$ A) $14 x \sqrt{5}$

Multiple Choice

Add or subtract. Assume all variables represent nonnegative real numbers.

- $6 \sqrt{80 \mathrm{x}^{2}}-3 \sqrt{45 \mathrm{x}^{2}}-\sqrt{5 \mathrm{x}^{2}}$

A) $14 x \sqrt{5}$
B) $2 x \sqrt{35}$
C) $15 x \sqrt{5}$
D) $3 x \sqrt{35}$