<PRE><B>Question 89905</B>
x^3+3x^2+x+3 Factor completely
:
Factor by grouping:
(x^3 + x) + (3x^2 + 3)
:
Factor out the common terms and you have:
x(x^2 + 1) + 3(x^2 + 1)
:
Factor out (x^2+1) and you have:
(x^2 + 1) (x + 3)
:
Did this help?</PRE>