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User:Peter Winnberg

I'm a Wikipedian from Sweden.

Peter Winnberg till svenska Wikipedia, sv.wikipedia.org, arbete väntar!



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Quadratic formula

... the square" is to add a constant (i.e., in this case, a quantity that does not depend on x) to the expression to the left of "=", that will make it a perfect square ...

 
 
 
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