![X marks the unknown in algebra – but X’s origins are a math mystery](https://blogs.world.edu/wp-content/themes/homepage/includes/php/image-jit/?filter=list-thumbnail&file=https://world.edu/wp-content/uploads/2023/08/Xmarks.jpg)
X marks the unknown in algebra – but X’s origins are a math mystery
Even though x is one of the least-used letters in the English alphabet, it appears throughout American culture – from Stan Lee’s X-Men superheroes to “The X-Files” TV series. The letter x often symbolizes something unknown, with an air of mystery that can be appealing – just look at Elon Musk with SpaceX, Tesla’s Model X, and now X as a new […]… Learn more.