Completing the Square to Solve Quadratic Equations

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This video explains how to solve quadratic equations by completing the square.

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you are a genius compared to my college professor

Techgizmo
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I'm not even in college and this was found helpful I some what new how to but it was pretty interesting too learn this

wallrath
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How did he get -40/4 from multiplying it by 25/4?

kemargraham
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Where did the "i" come from? 5:58

naomigracebarajas
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Voice too low and not very good explanation

BoRerunn