anonymous
  • anonymous
Please help! Use rules of logarithms to expand. Picture attached :)
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
1 Attachment
UsukiDoll
  • UsukiDoll
this is good practice for me. so anyway we are using all 3 exponent rules together.
UsukiDoll
  • UsukiDoll
log rules \[\log (mn) =\log(m)+\log(n)\] \[\log (\frac{m}{n}) =\log(m)-\log(n)\] \[\log (m^n) =n \cdot \log(m)\]

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UsukiDoll
  • UsukiDoll
ok I know for sure that exponent rule for logs is being used... so is the second rule for subtraction
anonymous
  • anonymous
would (x+3)^2 be 2log(x+3)
UsukiDoll
  • UsukiDoll
yeah that's good |dw:1438054541907:dw| so now we need to use the subtraction rule for the remainder of the problem . I see fraction s
anonymous
  • anonymous
2log(x+3)-(x-2)(x^2+5)^4?
UsukiDoll
  • UsukiDoll
close but we are missing something. we are missing the - sign and the logs also by exponent rule that 4 should be to the left.
UsukiDoll
  • UsukiDoll
|dw:1438054782286:dw| finish the last part
anonymous
  • anonymous
4log(x^2+5) ?
UsukiDoll
  • UsukiDoll
log expansions should always have a + or - sign depending on the log rules. In this one, we are dealing with the subtraction... yeah that looks good
UsukiDoll
  • UsukiDoll
|dw:1438054939966:dw|
anonymous
  • anonymous
is that the final answer?
UsukiDoll
  • UsukiDoll
|dw:1438054983306:dw| yes
anonymous
  • anonymous
thank you!! :)

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