$\"\"$

The expression is $\"\"$ .

§ Start at zero.

§ Move 4 units to the left.

§ From there, move 1 units to the left.

$\"\"$ $\"\"$

Rewrite the expression.

$\"\"$

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

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

The solution is $\"\"$ .