How do you factor the expression #3x^3+3x^2+x+1#?
1 Answer
Mar 8, 2016
Explanation:
Factor by grouping--split into two groups of two.
#=(3x^3+3x^2)+(x+1)#
#=3x^2(x+1)+1(x+1)#
#=(3x^2+1)(x+1)#
This is completely factored, if we refrain from using complex numbers.
