Here are some good resources when looking for math help:
1. Math is Fun - https://www.mathsisfun.com/
This website can be good for searching certain math topics/processes. A lot of times it will give descriptions for how things work.
2. YouTube - http://www.youtube.com/
YouTube can be very helpful for the learning process. A lot of times, additional descriptions about mathematical process/topics can be found here.
3. Wolframalpha - http://www.wolframalpha.com/
Wolframalpha is an amazing calculator that can be used to find answers, check solutions, or sometimes even give step by step details of how to do things.