gracewhitmore123 gracewhitmore123

17-03-2017
Mathematics

contestada

What number must be added to the polynomial to complete the square? x^2 + 7x

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SutaPinatih SutaPinatih

17-03-2017

It could be: (x + 7/2)^2 = x^2 + 7x + 49/4
So you should add it by 49/4.

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