Question 631450
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
F(x)= x^3-3x^2+12x-10    ||  x = 1 is the real solution
using synthetic Division
 1	1	-3	12	-10
 	 	 1	-2	 10
 	1	-2	10	  0
 x^2 - 2x + 10
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{x = (2 +- sqrt( -36 ))/(2) }}}
{{{x = 1 +- 3i}}}
f(x) = (x-1)(x -(1+3i))(x - (1-3i))