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trasher [3.6K]
3 years ago
8

If 1-log (x+1) = log(x-8) find the possible values of X

Mathematics
1 answer:
jek_recluse [69]3 years ago
7 0

Answer:

9

Step-by-step explanation:

1-log (x+1) = log(x-8)

<=> log 10 -log (x+1) = log(x-8)

10/(x+1)=(x-8)

=> (x+1) (x-8)= 10

x²-7x-8=10

x²-7x-18=0

(x-9) (x+2)=0

x=9 or x=-2

so, x=9 is the possible value

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