\"\"

\

Original function is \"\".

\

Replace x = 3 in original function.

\

\"\"

\

Evaluate powers: \"\".

\

\"\"

\

\"\"            (Multiply: \"\")

\

Apply commutative property of addition: \"\".

\

\"\"

\

\"\"                  (Add: \"\")

\

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

\

Replace x = – 4 in original function.

\

\"\"

\

Evaluate powers: \"\"

\

\"\"

\

\"\"           (Multiply: \"\")

\

Apply commutative property of addition: \"\".

\

\"\"

\

\"\"                 (Add: 1280 + 2 = 1282)

\

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

\

\"\" and \"\".