taiwobt2 taiwobt2

12-05-2021
Mathematics

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Make the expression below a perfect square by adding in a constant value: x^2+14x+_

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Oceanrebel Oceanrebel

12-05-2021

[x^2 + 14x + (1/2•14)^2] - (1/2•14)^2

= [x^2 + 14x + (7)^2] - (7)^2

= (x+7)^2 - 49

If you need an explanation as to how, you can go ahead and ask

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