SOLUTION: Can someone help me I do not know how to do this could you show me step by step please. I have to fill in the blank to make the expression a perfect square. u^2+2u+__ Than

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Question 392751: Can someone help me I do not know how to do this could you show me step by step please.
I have to fill in the blank to make the expression a perfect square.
u^2+2u+__
Thank you so much
Found 2 solutions by solver91311, ewatrrr:
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Divide the coefficient on the 1st degree term by 2 and square it.


John

My calculator said it, I believe it, that settles it
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Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi

(u+1)(u+1) is a perfect square: would give us: u^2 + 2u + 1 

Note: the sum of the Inner Product and Outer Product would yield the 2u needed



another example:

x^2 + 6x ... to end up to be a perfect square that would need to be x^2 +6x + 9

As x^2 + 6x + 9 is (x+3)(x+3)  

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