Solve the inequality k^2 - 7k + 12.25 > 0.
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\(k^2-7k+12.25>0\\ k=3.5\pm \sqrt{12.25-(<12.25)}\\ \color{blue}k\neq3.5\)
\(k\in \mathbb R\ |k\neq 3.5\)
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