Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
expand (x−2)(x+4)(x−(1+3i))(x−(1−3i))
expand (x−2)(x+4)(x−(1+3i))(x−(1−3i))
Natural Language
Math Input
Extended Keyboard
