Use the Laws of Logarithms to combine the expression. log7(x2 − 81) − log7(x − 9


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Use the Laws of Logarithms to combine the expression.

log7(x2 − 81) − log7(x − 9)
 
Jul 17th, 2015

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Jul 17th, 2015

log7(x2 − 81) − log7(x − 9) = log7(( − 81)/(x − 9)) = log7(x + 9)

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Jul 17th, 2015

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