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.
vertex of (x-(2+5i)/2)(x-(2-5i)/2)
vertex of (x-(2+5i)/2)(x-(2-5i)/2)
Natural Language
Math Input
Extended Keyboard