anonymous
  • anonymous
solve the polynomial equation. in order to obtain the first root, use synthetic division to test the possible rational roots. x^3+6x^2+21x+26=0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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amistre64
  • amistre64
possible roots are what; factors of 26/factors of 1?
anonymous
  • anonymous
yes
amistre64
  • amistre64
1,26 ; 2, 13; cant think of any more :) make em +- of course

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amistre64
  • amistre64
2 | 1 6 21 26 0 2 16 ----------- 1 8 ... doesnt seem to be a root.....
amistre64
  • amistre64
-2 | 1 6 21 26 0 -2 -8 -26 -------------- 1 4 13 0 .... x = -2 is a root i think
amistre64
  • amistre64
(x+2)(x^2 +4x +13)
amistre64
  • amistre64
thats all she wrote on that one, the quadratic doesnt touch the x axis so no more roots allowed
amistre64
  • amistre64
do you agree? or wanna know how i did it?
anonymous
  • anonymous
sorry.....I agree

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