# How do you simplify #(4-2i)(6+6i)#?

##### 1 Answer

Aug 26, 2016

You have to cross-multiply the two factors

#### Explanation:

Remember FOIL? First terms, Inside terms, Outside terms, Last terms. Do this first.

Next, combine like terms.

Lastly, recognize that

So, let's multiply

Since

Add all the answers we got above:

Combine the two

Combine the constants (