Question 817776
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Hi,
factor 
x^3 + 8x^2 + 2x +16 = 0
The factor theorem states that a polynomial f(x) has a factor (x &#8722; k) if and only if f(k) = 0
Synthetic Division using root  x = -8
-8	1	8	2	16
		-8	0	-16
	1	0	2	0
 (x+8)(x^2 + 2) 
or (x+8)(x - {{{i*sqrt(2)}}})(x + {{{i*sqrt(2)}}})