So instead let's talk about the use of the letter X as an unknown factor. And by "let's" I mean "Hey! I found this funny video on Ted Talks the other day that explains the whole thing." Of course, it's really no surprise I found this video since I am currently obsessed with watching Ted videos. I must have gone through about a hundred of them in the past two weeks.
No example today. Please tune in Monday for more!
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