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A math historian explores how "x" came to stand in for an unknown quantity
Musk's fascination with the letter 'X' - The Atlantic
Inside Elon Musk's 25-year history and obsession with the letter X as he prepares to rename and rebrand Twitter
Elon Musk's history with the letter X, from SpaceX to Tesla Model X and xAI
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Elon Musk's history with the letter X, from SpaceX to Tesla Model X and xAI
How Elon Musk pronounces 'X Æ A-12,' his new son's name - CNET
A Brief History of the Letter 'X,' From Algebra to X-Mas to Elon Musk, History
In a word: Today's column deserves X rating
Articles tagged as Christmas
Elon Musk's Ambitious Texas University Project: Revolutionizing STEM Education #1711 - Geek News Central
Elon Musk's history with the letter X, from SpaceX to Tesla Model X and xAI
Is Elon Musk the best engineer at SpaceX and Tesla or are there others beyond him? - Quora