# Thread: Find the range value

1. ## Find the range value

Find the set of value of k, where k is a constant, when equation x^3 -12x^2 +45x -34 = k has (a)one root and (b)three roots.
How should I get start with the problem like this?

2. ## Re: Find the range value

Am I correct in assuming you want real roots?

Yes.