Step 1:- Solve the white cross
Solve the white cross, with both matching colours, and put it to the bottom.
Step 2 :- Solve the white corners
Bring the white cross to the bottom. Match the corner piece which has all the three colors (with white as one of them) and place it in the top right corner. Now, apply this formula till that corner piece sets with the white bottom corner layer.
R U R' U'
Now, repeat this for the other corner pieces.
Step 3 :- Solve the second layer
Now, match the edges, which match the 2 colors and see if that edge piece has to goto left or right and accordingly apply the below formula:-





