$\"\"$

The standard form of the complex number is $\"\"$ , where $\"\"$ and $\"\"$ are real numbers.

The complex number is $\"\"$ .

Substitute the value $\"\"$ .

$\"\"$

$\"\"$ \ \

Apply distributive property : $\"\"$ .

$\"\"$

Substitute the value $\"\"$ .

$\"\"$

Group like terms.

$\"\"$ . $\"\"$

The standard form of the complex number is $\"\"$ .