Why “x” is the unknown – The intersection of algebra and linguistics

Think back to your school days. As you no doubt recall from algebra, “x” is the unknown waiting to be defined. But why is the unknown “x” and not some other character? Well, it turns out we have to turn to Arabic – more specifically when Arabic knowledge and language was translated into Spanish.

In this humorous Fall Through the Cracks Friday installment compliments of Ted, Terry Moore explores why “x” is x.