Pagen13
  • Pagen13
Write a polynomial function with given zeros x=-2,1,4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
start with \[(x+2)(x-1)(x-4)\] and then multiply out
Pagen13
  • Pagen13
how do I multiply out?
anonymous
  • anonymous
if \(-\)2 is a zero, then one factor is \(x-(-2)=x+2 \) etc

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anonymous
  • anonymous
idk, if it was me i would use technology so i don't screw up
anonymous
  • anonymous
but you can do it by hand if you like first multiply \[(x+2)(x-1)\] the usual way, when you get done with that, multiply the result by \(x-4\)
anonymous
  • anonymous
wanna cheat?
Pagen13
  • Pagen13
I wanna know how to do but have the answer to check myself..
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=%28x%2B2%29%28x-1%29%28x-4%29
anonymous
  • anonymous
do you know how to multiply this out? the usual four multiplication \[(x+2)(x-1)\]?
Pagen13
  • Pagen13
No.
Pagen13
  • Pagen13
Whats the answer so I can chcek myself..

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