Question 205169
 I should find out what the possible rational roots of x^3 - 4x^2 + 2x + 1 are, I am not sure if 3.303, -0.303, 1
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It's easy to determine that 1 is a root.  Then divide by x-1
--> x^2 - 3x - 1
*[invoke solve_quadratic_equation 1,-3,-1]