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.
find zeroes 1+3i is a zero of f(x)=x^4-2x^3+5x^2+10x-50
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random