\"\"

\

The expression is \"\"

\

\"\"

\

\"\"              (The product of two integers with same sign is positive)

\

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

\

\"\"            (The product of two integers with same sign is positive)

\

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

\

\"\"              (The product of two integers with same sign is positive)

\

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

\

The product is \"\".