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02-04-2018
Mathematics

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The square of the sum of a number and 4 is 36

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03-01-2019

[tex]n-the\ number\\\\\text{The equation:}\\\\(n+4)^2=36\iff n+4=\pm\sqrt{36}\\\\n+4=-6\ or\ n+4=6\qquad\text{subtract 4 from both sides}\\\\\boxed{n=-10\ or\ n=2}[/tex]

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