anonymous
  • anonymous
x^4-7x^3-12x^2+176x-320 I have to give the exact values list multiple zeros as necessary so i just need to know the probably 4 zeros of this prob
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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myininaya
  • myininaya
x=4 is a zero
myininaya
  • myininaya
so x^4-7x^3-12x^2+176x-320=(x-4)(x^3-3x-24x+80)=0
anonymous
  • anonymous
there is more then 1 zero isnt there

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myininaya
  • myininaya
(x-4)(x^3-3x^2-24x+80)=0*
myininaya
  • myininaya
yes there are 3 more
anonymous
  • anonymous
nice!
myininaya
  • myininaya
x=4 is again another zero
myininaya
  • myininaya
(x-4)(x-4)(x^2+x-20)=0
myininaya
  • myininaya
now we have 2 more to find
anonymous
  • anonymous
+5 - 4
myininaya
  • myininaya
-5,4
anonymous
  • anonymous
oo ya i didnt factor them to 0
myininaya
  • myininaya
because x^2+x-20=(x+5)(x-4)
anonymous
  • anonymous
thank you !
myininaya
  • myininaya
so 4 multiplicity 3 and 5
myininaya
  • myininaya
oops -5
myininaya
  • myininaya
np

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