$\"\"$

The expression is $\"\"$

$\"\"$ (Substitute $\"\"$ in given expression)

$\"\"$ (Product of two same signs is positive)

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

$\"\"$

$\"\"$ (Product of two opposite signs is negative)

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

$\"\"$

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