SOLUTION: I need help understanding "completing the square" when dealing with quadratic functions. I don't understand where to pull that first number from.

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Question 27862: I need help understanding "completing the square" when dealing with quadratic functions. I don't understand where to pull that first number from.
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
What first number? You need to post or send me an example, one of the problems.
=)