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39 votes
39 votes
Slove for f-45=-56+ ( radical) f

User Leonardo Lobato
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1 Answer

26 votes
26 votes

\begin{gathered} -45=-56+\sqrt[]{f} \\ \sqrt[]{f}=56-45 \\ \sqrt[]{f}=11 \\ f=121 \end{gathered}

User Wladimir Palant
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