Not. Easily.
There are these brackets you can get on Amazon. Technically they work. But they're not easy to use.
And thank you.
Here: https://www.amazon.com/gp/product/B01BFWROZU/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
If you angle the monitor all the way "up" in relation to the built in arm (then angle the mount down to compensate) then everything is hidden behind it.
Edit: pic https://i.imgur.com/XoBSwd5.jpg
VESA Mount Adapter for Asus Monitors MX239H, MX259H, MX279H, MX299Q, MX25AQ, and MX27AQ - by HumanCentric https://www.amazon.com/dp/B01BFWROZU/ref=cm_sw_r_cp_apa_i_LS8NCbXGJ90PG
It works but I wouldn't really recommend it
>https://www.amazon.com/Adapter-Monitors-MX239H-MX259H-MX279H/dp/B01BFWROZU
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> ITS ASUS MONITORS: This bracket is ONLY tested and guaranteed to work with: Asus MX239H, MX259H, MX279H, MX25AQ, MX27AQ, and MX299Q
I had to buy this adapter.
They make adapters. The one for my particular monitor is here: VESA Mount Adapter for Asus Monitors MX239H, MX259H, MX279H, MX299Q, MX25AQ, and MX27AQ - by HumanCentric https://www.amazon.com/dp/B01BFWROZU/ref=cm_sw_r_cp_api_4BASzbAK4J5F1