\"\"

\

The expression is \"\".

\

Simplify.

\

\"\"            (Expression)

\

\"\"          (Distributive property:\"\")

\

\"\"                             (Add common sign)

\

\"\"                                       (Simplify)

\

Threfore, the expression \"\" is \"\".

\

Option A is right choice.

\

\"\"

\

Option A is right choice.