anonymous
  • anonymous
how do you simplify (18u^6v^5+24u^3v^3)/42u^2v^5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Try factoring the top first. Factor out all the numbers, u, and v terms you can. Then look for opportunities to cancel with the terms on the bottom.
anonymous
  • anonymous
ok i factored out the top but i still dont know what to do next..
anonymous
  • anonymous
what did you get?

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anonymous
  • anonymous
3u^3v^3(6u^3v^2+8) / 42u^2v^5
anonymous
  • anonymous
ok, great Now you can cancel the 3 with the 42... 3 "goes into" 42 by 14
anonymous
  • anonymous
so 14 is left on bottom and you can cancel the u^2 on the bottom with the u^3 in the front on top, leaving just u out front and cancel the v^3 out in front on top with the v^5 on the bottom, leaving v^2 on the bottom
anonymous
  • anonymous
alright so what to i do with (6u^3v^2+8)?
anonymous
  • anonymous
Hold on... Is (18u^6v^5+24u^3v^3)/42u^2v^5 written like: \[\frac{ 18u ^{6}6v ^{5}+24u ^{3}v ^{3} }{ 42u ^{2}v ^{5} }\]
anonymous
  • anonymous
yup
anonymous
  • anonymous
You can simplify that part in your last post slightly by multiplying the 6 and 3 together to get (18u^3v^2 + 8) and you could then factor out another 2, to get 2(9u^3v^2 + 4), but you can't cancel that 2 with anything on the bottom because you only had 13 left on the bottom.
anonymous
  • anonymous
you mean 14 on the bottom..
anonymous
  • anonymous
so like you had, 3u^3v^3(6u^3v^2+8) / 42u^2v^5 simplify parenthesis and factor out 2 to get: (3u^3v^3)(2)(9u^3v^2 + 4) / 42u^2v^5 and cancel whatever you can to get: 2u(9u^3v2 + 4) / 13v^3
anonymous
  • anonymous
yes, sorry, 14 on bottom
anonymous
  • anonymous
so you CAN cancel that extra 2 on top, leaving 7 on the bottom
anonymous
  • anonymous
good catch!
anonymous
  • anonymous
alright so now we got rid of the 2 and then put the 7 on the bottom, i then factored the u(9u^3v^2+4) and simplified the v's and got (9u^3+4u)/7....
anonymous
  • anonymous
you lost me... but I also messed up... I multiplied the 6 and 3 inside the parenthesis to get 18, but then when I factored out the 2 (to leave 9), I left the original 3 in the term :( Sorry
anonymous
  • anonymous
wait, hold on, that 3 was the exponent on u. typing this stuff is killing me... sorry for the confusion.
anonymous
  • anonymous
Should be: 2u(9u^3v^2 + 4) / 14v^3 Then cancel the 2: u(9u^3v^2 + 4) / 7v^3 An you are done at that point... all simplified.
anonymous
  • anonymous
Ugly, yes, but simplified
anonymous
  • anonymous
ya i tried to go a step further but i will leave at that this is complicated enough. thank u so much!

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