andieostrander1 andieostrander1
  • 13-11-2017
  • Mathematics
contestada

Factor x3 + x2 + x + 1 by grouping.

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ddsimmo
ddsimmo ddsimmo
  • 13-11-2017
should be the answer
         l
         l
        v
(x+1)(x2+2)





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21sberman 21sberman
  • 13-11-2017
To factor by grouping, you have to divide the problem into two groups:
x^3+x^2+x+1
(x^3+x^2)+(x+1)
Factor each group individually
(x^3+x^2)+(x+1)
x^2(x+1)+(x+1)
(x^2+1)(x+1)
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