anonymous
  • anonymous
please help me factor this: 3(x+2)^2-10(x+2)+7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Hero
  • Hero
Hint: Expand it first
anonymous
  • anonymous
i did
anonymous
  • anonymous
no

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Hero
  • Hero
Well, what did you get?
anonymous
  • anonymous
idk the steps from there
anonymous
  • anonymous
subtitution, t=x+2
Hero
  • Hero
Yeah, that too
anonymous
  • anonymous
i don't even know where to start with this problem
Hero
  • Hero
Either way works. t = x+ 2 is a shortcut
anonymous
  • anonymous
3t^2-10t+7=(3t-1)(3t-7)
Hero
  • Hero
The only difference is, when you do it that way, you have to substitute x + 2 back in
Hero
  • Hero
Which @love_math hasn't done yet
anonymous
  • anonymous
ohh okay thanks guys i appreciate your help
Hero
  • Hero
(3(x+2)-1)(3(x+2)-7)
Hero
  • Hero
(3x+6-1)(3x+6-7) = (3x+5)(3x-1)
Hero
  • Hero
That is the correct one

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