Add or Subtract $$6 \sqrt [ 11 ] { \mathrm { x } ^ { 12 } \mathrm { y } } - 5 \mathrm { x } \sqrt [ 11 ] { \mathrm { xy } }$$

Multiple Choice

Add or subtract. Assume all variables represent nonnegative real numbers.
- $$6 \sqrt [ 11 ] { \mathrm { x } ^ { 12 } \mathrm { y } } - 5 \mathrm { x } \sqrt [ 11 ] { \mathrm { xy } }$$

A) $x \sqrt [ 11 ] { x y }$
B) $2 x \sqrt [ 11 ] { x y }$
C) $6 \sqrt [ 11 ] { x y } - 2 x \sqrt [ 11 ] { x y }$
D) Cannot simplify