$\"\"$

The function is $\"\"$ .

Find the value $\"\"$ .

$\"\"$ (Original function)

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

$\"\"$ (Simplify)

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

$\"\"$ (Simplify)

Therefore, the value of $\"\"$ is $\"\"$ . $\"\"$

$\"\"$ .