So from now on, proclaim what you are commanded to convey openly and in an emphatic manner, and do not care (whatever) those who associate partners with God (say and do)
Therefore proclaim openly (Allahs Message Islamic Monotheism) that which you are commanded, and turn away from Al-Mushrikoon (polytheists, idolaters, and disbelievers, etc. - see V.2:105)
Then declare what you are commanded (the knowledge of the reality and sunnatullah) then turn away from the dualists!
Sayyed Abbas Sadr-Ameli
Therefore, declare openly what you are bidden and turn you away from the polytheists.
Al-muntakhab fi tafsir al-Qur'an al-Karim
Therefore, you just proclaim Allah's message O Muhammad and publish all that you have been commanded to declare and attach no importance to those who incorporate with Him other deities