Math (URGENT)
posted by John .
How to graph this:
Step 0: y=x(x4)
Step 1: y=x^24x
What's next?
Calculator shows vertex at (2,4)
I asked before, but I'm still stuck. Please help. thanks.

I answered before, by completing the square, and told you why the vertex is at (2, 4).
Why don't you just plot the curve yourself? 
I understand why the vertex is there, I just don't understand what you mean by completing the square.

http://www.themathpage.com/alg/completethesquare.htm#complete
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