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

By It's Okay to Be SmartFrom BoclipsOctober 1, 2025

X is everywhere and it’s probably thanks to math. But why is x the symbol for the unknown?

#Application

#Physical Sciences

#General Science

#Language and Linguistics

#Computer Science

#Reading

#Writing

#and Literacy

#Algebra

#Physics

#Advanced Secondary