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.
2((3+5i)/2)^3 + 2((3+5i)/2)^2 -7(3+5i) + 72
2((3+5i)/2)^3 + 2((3+5i)/2)^2 -7(3+5i) + 72
Natural Language
Math Input
Extended Keyboard