\"\"

\

The expression is \"\"

\

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

\

\"\"                     (Multiply: \"\")

\

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

\

\"\"                      (Commutative property: \"\")

\

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

\

\"\"                                       (Add: \"\")\"\"

\

The simplified expression is \"\".