Solving quadratic equations by completing the square
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10:18
When should we use completing the square instead of the quadratic formula? algebra tutorial
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9:58
How to solve quadratic equations by using the quadratic formula
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8:11
5 easy ways of factoring a trinomial
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21:44
Algebra - Completing the square
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9:21
Be careful with this nested square root equation
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8:38
You use the quadratic formula all the time, but where did it come from?
![](https://i.ytimg.com/vi/NlX_VR-e8qo/mqdefault.jpg)
8:51
Proving the pq formula for solving quadratic equations
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31:27