Art of Problem Solving: Factoring Quadratics Part 2

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Art of Problem Solving's Richard Rusczyk explains how to factor quadratics of the form ax^2 + bx + c.
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Coined the term "civilized quadratic" - brilliant explanation.

jonlin
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In 2:42, one of the answers was negative five - halves but he said negative five - fifths. Also, I love your videos so so much!

mathon
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how did you write on the blackground? great video

ada
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7:34 it looks like he is hitting the board in fast-forward.

jc