$\"\"$

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

The complex number is $\"\"$ .

Apply formulas : $\"\"$

$\"\"$ .

$\"\"$

Remove parentheses.

$\"\"$

Substitute the value $\"\"$ .

$\"\"$

Group like terms.

$\"\"$

$\"\"$ .

$\"\"$

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