anonymous
  • anonymous
x(x²+9x+3)= -5(2x+1)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
|dw:1343190923944:dw|
NotTim
  • NotTim
do you kno of synthetic division?
anonymous
  • anonymous
yes but wont i need to find a factor of 5 that would make the equation equal zero ?

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anonymous
  • anonymous
oh nvm it's -1
NotTim
  • NotTim
I think so?
anonymous
  • anonymous
yup it is, thanks :)
NotTim
  • NotTim
awesome. that all yo uneed? confrimation?
anonymous
  • anonymous
yes but one more thing
anonymous
  • anonymous
|dw:1343191358412:dw|
anonymous
  • anonymous
zeros would be: (x+1) .. and idk which other ones :S
anonymous
  • anonymous
@lgbasallote any thoughts ?
NotTim
  • NotTim
for the other zeros, don't you have to solve for x^2+8x+5
anonymous
  • anonymous
yes but i cant come up with a whole number value for
NotTim
  • NotTim
do you need a whole number value?
anonymous
  • anonymous
yes
anonymous
  • anonymous
\[x=-1\] \[x=-4-\sqrt{11}\] \[x=\sqrt{11}-4\]
NotTim
  • NotTim
Panlac, you gotta explain your answer!
NotTim
  • NotTim
if we wanted answers, we'd use wolframalpha.com
anonymous
  • anonymous
there are no ways of getting whole #s ?
NotTim
  • NotTim
i never thought it neccessary. why oy uwant?
anonymous
  • anonymous
check chapter 2 of this textbook http://finedrafts.com/files/Larson%20PreCal%208th/Larson%20Precal%20CH2.pdf I just finished pre-cal last week for summer course
anonymous
  • anonymous
download it if you must :-)
NotTim
  • NotTim
yayy
anonymous
  • anonymous
this is great ! :D what grade would this be btw ?
NotTim
  • NotTim
grade 10 or 11.
NotTim
  • NotTim
11 more like...
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=x%28x%C2%B2%2B9x%2B3%29%3D+-5%282x%2B1%29%2C+solve+for+x
anonymous
  • anonymous
looks like the grade 12 advanced functions course material too thank you soooooo much !
NotTim
  • NotTim
woOOooOO!
anonymous
  • anonymous
yeah. check out chapters 1-4: linear, quadratic, polynomial and logarithmic functions. you will be able to tell the movements and shifts and of the functions in no time, how many turning points (global/local maximum and minimums), and their values. I use wolfram alpha instead of TI calculators for best FIT models, but not on the problem you posted. I uploaded the whole textbook by Larson et al. to share.
anonymous
  • anonymous
thanks so much, my exam in in two days .. this will help A LOT !
anonymous
  • anonymous
the link you gave me was just chapter 2 though, right ?
anonymous
  • anonymous
yeah. but you can check out finedrafts.com/files and just look for Pre-Cal by Larson et al. the rest are physics and biology textbooks that I used.
anonymous
  • anonymous
okay thanks again !

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