Surah Taha 20:56

وَلَقَدْ أَرَيْنَـٰهُ ءَايَـٰتِنَا كُلَّهَا فَكَذَّبَ وَأَبَىٰ

And We certainly showed him [i.e., Pharaoh] Our signs - all of them - but he denied and refused.

Translation: Saheeh International

Tafsir

And verily We showed him that is We made Pharaoh see all Our signs all nine but he denied them and claimed that they were the result of sorcery and refused to affirm the Oneness of God exalted be He.

Excerpt from Tafsir al-Jalalayn, commentary on 20:56, via Quran.com. The reader has the full commentary and 9 more tafsirs.