Is #9z^2-3z+1# a perfect square trinomial, and how do you factor it?
1 Answer
Jun 12, 2015
No, it's not a perfect square trinomial. In fact it has no linear factors with real coefficients.
Explanation:
Perfect square trinomials are of the form:
in this case we would be looking for
Interestingly
In general
If you were allowed complex coefficients then you could write:
where