DOLLFACE32 DOLLFACE32
  • 23-04-2017
  • Mathematics
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What is the factored form of the expression?3x^3+3^2+x+1

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irspow
irspow irspow
  • 23-04-2017
Rearranging slightly you see:

3x^3+x+3x^2+1  now factor 1st and 2nd pair of terms...

x(3x^2+1)+1(3x^2+1)

(x+1)(3x^2+1)
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ghanami
ghanami ghanami
  • 23-04-2017
hello : here is a solution
 3x^3+x+3x^2+1 = 3x²(x+1)+(x+1) = (x+1)(3x²+1) 
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