SOLUTION: Solve the following logarithmic equation: log(9)(x-6)+log(9)(x+2)=1
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Question 740883
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Solve the following logarithmic equation:
log(9)(x-6)+log(9)(x+2)=1
Answer by
lwsshak3(11628)
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Solve the following logarithmic equation:
log(9)(x-6)+log(9)(x+2)=1
(x-6)(x+2)=9
x^2-4x-12-9=0
x^2-4x-21=0
(x-7)(x+3)=0
x=-3 (reject, (x+2)>0)
x=7