$\"\"$

The expression is $\"\"$ .

FOIL method: The product of two binomials is the sum of the products of the First terms, the Outer terms, the Inner terms and the Last terms.

$\"\"$ (Foil method)

$\"\"$ (Multiply)

$\"\"$ (Addition: $\"\"$ )

The product of $\"\"$ is $\"\"$ . $\"\"$

$\"\"$ .