OpenStudy (anonymous):

Help below

6 years ago
OpenStudy (anonymous):

6 years ago
OpenStudy (anonymous):

4th

6 years ago
OpenStudy (jim_thompson5910):

\[\large 3x^3+3x^2+x+1\] \[\large 3x^2(x+1)+1(x+1)\] \[\large (3x^2+1)(x+1)\] \[\large (x+1)(3x^2+1)\] So the answer is choice D

6 years ago
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