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How did this rewrite happen?

  • #1

Homework Statement



this is the last step to a laplace transform, but i'm stuck..
[tex]\frac{(3-2x)}{((s+3)2)+4}[/tex]
to
-2[tex]\frac{(s+3)}{(((s+3)2)+4)}[/tex]9/2 [tex]\frac{2}{((s+3)2)+4}[/tex]


thanks
 
Last edited:

Answers and Replies

  • #2
tiny-tim
Science Advisor
Homework Helper
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Hi myusernameis! :smile:

(use ^ not SUP in LaTeX :wink:)

[tex]\frac{(3-2s)}{((s+3)^2)+4}[/tex]

= [tex]\frac{(9 - 6 - 2s)}{((s+3)^2)+4}[/tex]

= -2[tex]\frac{(s+3)}{(((s+3)^2+4)}[/tex] + 9/2 [tex]\frac{2}{((s+3)^2)+4}[/tex] :wink:
 
  • #3
Hi myusernameis! :smile:

(use ^ not SUP in LaTeX :wink:)

haha i used ^ but the laTeX gave me SUP..

thanks a bunch!
 

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