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Crank
3 years ago
15

Which of the following shows the true solution to the logarithmic equation below ? Log(x)+log(x+5)=log(6x+12)

Mathematics
1 answer:
RUDIKE [14]3 years ago
7 0
The equation can be rewritten as: Log(x*(x+5))=Log=(6x+12)
so x(x+5)=6x+12
x^2+5x=6x+12
x^2-x-12=0
(x+3)(x-4)=0
x=-3 or x=4
x cannot be negative here, so x=4 is the only solution 
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Step-by-step explanation:

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Step-by-step explanation

Here's what to show if your teacher requires for you to show your work.

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These are the ones I'd suggest putting the up and down form on.

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     <em>2                                                        3</em>

     25                                                      18

  <u>x  5 </u>                                                     <u>x 4  </u>

   125                                                      72

Hoped this answered everything! Feel free to ask me if there's something I missed! :)

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