This is the point that the Qur'an rejects firmly and refusing their false imaginings, it says worship must be performed only to Allah; not to idols, alone, nor to both of them.
It offers great rewards: Reciting Surah Al-Kafirun is a good deed that supposedly brings enormous rewards.
Syaikh Muhammad Abduh mengatakan, ayat 2 dan ayat 3 menjelaskan perbedaan yang disembah.