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 (