anonymous
  • anonymous
log(x)+log(x+2)=2
Mathematics
jamiebookeater
  • jamiebookeater
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myininaya
  • myininaya
log(a)+log(b)=log(ab)
anonymous
  • anonymous
is there any way you can help me solve the problem?
myininaya
  • myininaya
Yep. I just gave you a hint. Use that hint on the left hand side.

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anonymous
  • anonymous
so I tried using that formula but the answer is a huge number.
myininaya
  • myininaya
So you did log(x(x+2))=2 because that is what I asked you to do.
myininaya
  • myininaya
Then base 10 on both sides so you can undo that log on that one side.
myininaya
  • myininaya
\[10^{\log(x(x+2))}=10^2 \]
anonymous
  • anonymous
yes i did that and from there I get X^2+2x=10^2 which becomes x^2+2x-100?
myininaya
  • myininaya
Solve for x and see if both solutions will work.

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