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Completing the square is much more family friendly than people remember.
Once you do this, all that remains is balancing the expression so it is the same as before.
Why would we ever do this?
It can make integrals and derivatives simpler. In most cases, however, you will use this to find the vertex of the the parabola represented by a given quadratic equation.
A Practice worksheet I made for this quiz
Don't trust me? Check out Khan Academy.
Also practice completing the square here:
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