How Did X Become the Unknown (and so much else)?

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A truly X-cellent and X-ceptional video…
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Despite being one of the rarest letters in English, the letter X is everywhere. We sign letters with it, we rate movies with it, we name all sorts of things after it. We’re kind of obsessed with it. And that’s probably all thanks to math, where X stands for the unknown. Let's explore the bizarre history of how X took on this role…

References: https://sites.google.com/view/why-are-we-so-obsessed-with-x/home

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Tags:
science
joe hanson
be smart
it's okay to be smart
its okay to be smart
it's ok to be smart
its ok to be smart
mathematics
history of mathematics
al khwarizmi
algebra