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Why Do We Solve For 'X'?

Part 2 of the TED Radio Hour episode Solve for X

About Terry Moore's TED Talk

Polymath Terry Moore wondered why "X" is the universal unknown in algebra. He dove into the history of numbers to come up with an unexpected answer.

About Terry Moore

Terry Moore directs the Radius Foundation in New York, which explores the intersection of disparate fields such as religion, science, aesthetics and social action.

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