Question 931862
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
x^3+7x^2-x-7  (x= 1 a solution: 1 + 7 - 1 - 7 = 0
Using Synthetic Division
...
1	1	7	-1	-7
		1	8	7
	1	8	7	0
(x-1)(x^2 + 8x+ 7)
(x-1)(x+7)(x+1)
......
x = -7, -1, 1