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.
(10 c^2 + 10) t^2 + c (20 t^2 - 9 t + 1) - 9 t = -41/40, (180 c + 180) t = 36 c + 25
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random