\"\"

\

The expression is \"\".

\

\"\"                          (Rewrite 3.1 as \"\")

\

\"\"                    (Apply distributive property: \"\")

\

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

\

\"\"                                   (Subtract: \"\")

\

The value of the expression is \"\".\"\"

\

The value of the expression is \"\".