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## tera 3 years ago what number must be added to the polynomial to complete square x^2+x

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1. satellite73

$\frac{1}{4}$

2. satellite73

i know it seem so random. half of 1 is 1/2 and 1/2 squared is 1/4. what 1? the coefficient of the "x" term

3. amingad

1/4 is answer

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