Question 812933
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Hi,

{{{P(x)= x^4 - 3x^3 + 11x^2 + 18}}}
Using Synthetic Division ( 1 and also 2 are roots)
1	1	-3	11	-27	18
		1	-2	9	-18
	1	-2	9	-18	0
					
2	1	-2	9	-18	
		2	0	18	
	1	0	9	0	
 P(x) = (x-1)(x-2)(x^2 + 9) = (x-1)(x-2)(x-3i)(x+3i)