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34 votes
34 votes
Determine the solution set of (x-4)^2=12.A: {4+2 square root of 3, 4-2 square root of 3}B: {4-2 square root of 3, 4-2 square root of 3}C: {2 square root of 3 + 4, 2 square root of 3 -4}

User Camilo Soto
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1 Answer

21 votes
21 votes

\begin{gathered} (x-4)^2=12 \\ x^2-8x+16=12 \\ x^2-8x+16-12=0 \\ x^2-8x+4=0 \\ x=(-b\pm√(b^2-4ac))/(2a) \\ a=1 \end{gathered}

User Mohamed Saber
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