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TED-Ed · August 23 · 5 min

Why is 'x' the enigma? - Terry Moore

Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer. Talk by Terry Moore. Learn more about your ad choices. Visit megaphone.fm/adchoices

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Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer.

Talk by Terry Moore.

Learn more about your ad choices. Visit megaphone.fm/adchoices

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