How To: Solve a quadratic equation by completing the square

Solve a quadratic equation by completing the square

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve quadratic equations by completing the square in intermediate algebra.

(1) Part 1 of 4 - How to Solve a quadratic equation by completing the square, (2) Part 2 of 4 - How to Solve a quadratic equation by completing the square, (3) Part 3 of 4 - How to Solve a quadratic equation by completing the square, (4) Part 4 of 4 - How to Solve a quadratic equation by completing the square

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