How to make a plane that has been deformed straight? Currently working on a car for a game and I want it to be low poly kinda like the one below.



The problem is that I made it using a flat plane and then used the edit mode to move and cruve them into place so now my hood looks like this:

 

Please help D: All I want is to make it into a flatter surface with less dents and bumps!
Try scaling with a value of 0 on an axis, that will straighten it for you.

Maybe try all three axis and see which one will fix it  (S, X, 0, Enter ), also try the Z and Y as well .