$\"\"$

\

The algebraic expression is $\"\"$ .

\

The values are $\"\"$ and $\"\"$ .

\

Simplify the expression.

\

$\"\"$ (Original expression)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (The absolute value of $\"\"$ is $\"\"$ )

\

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

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .