Some strategies to use when solving a Rubik's Cube include the beginner's method, the optimized beginner's method, Ortega's method and Waterman's method, according to rubikscube.info. Another method that is more difficult is the 2.5-look method for solving the last six edges.
The first step in the beginner's method is to solve for all eight corners of the cube. After solving for the corners, solve the edges and centers of the cube while keeping the corners intact. Another way to solve the puzzle is the layer by layer method. Some advantages of this method include shorter sequences, and it is easier to recover from mistakes because you do not change previous solutions as often.