Current time: 0:00Total duration: 7:44

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# Proof of the quadratic formula

Sal proves the quadratic formula using the method of completing the square. Created by Sal Khan and CK-12 Foundation.

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# Proof of the quadratic formula

Current time: 0:00Total duration: 7:44

0 energy points

Sal proves the quadratic formula using the method of completing the square. Created by Sal Khan and CK-12 Foundation.