This is the concept of algebra. The simplified form of the expression will be: (8w³-10w²y^5)/(8w³x³) =[2w²(4w-5y^5)]/[2w²(4wx³)] 2w² will cancel out and we shall remain with: (4w-5y^5)/(4wx³) The simplified form of our original expression will therefore be: (4w-5y^5)/(4wx³)