Completing the Square & Solving Quadratic Equations in Algebra

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Very well explained - thank you!

[@HaldaneSmith]

Looks like I'm finally going to understand how the quadratic formula can be derived. Thanks for clearing up that math mystery.

[@hemrajue3434]

Completing the square method is also used to derive the vertex form of parabola.
Solve completing the square method, x^2-2=0.
x^2-2=0
x^2=2
x^2=(+-√2)^2
taking square root on both sides
x=+-√2.

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Confused - One of the few videos I had trouble following.

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