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.
simplify (7-3x*i)(2+5*i) - (7+2x*i)(2+5i)
simplify (7-3x*i)(2+5*i) - (7+2x*i)(2+5i)
Natural Language
Math Input
Extended Keyboard
