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Find the term that needs to be added to the equation x^2-2=1 to make a perfect square

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To take the given equation to the form (x+b)^2 we do the following:


\begin{gathered} x^2-2x+1=1+1 \\ (x-1)^2=2 \end{gathered}

Therefore, the term that needs to be added is +1.

User Navjot Ahuja
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