\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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For the equation \((x-1)^2 - 9 = 0\), the set of solutions is
\(S = \{-2,4\}\)
\(S = \{-3,3\}\)
\(S = \{2,4\}\)
\(S = \{-1,1\}\)
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