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Write the log49(y3−5y2−25y+125)−log7(y−5) as a single logarithm in base 7. Assume all variables are positive. Simplify...

Write the log49(y3−5y2−25y+125)−log7(y−5) as a single logarithm in base 7. Assume all variables are positive. Simplify if possible.

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