Which correctly describes the roots of the following cubic equation?

Question

x^3 - 3x^2 + 4x - 12 = 0
a. Three real roots, each with a different value
b. one real root and two complex roots
c. three real roots, two of which are equal in value
d. two real roots and one complex root

Answer 1

c. three real roots, two of which are equal in value