How do you know if #24a^2 + 26a + 9# is a perfect square trinomial and how do you factor it?
1 Answer
May 31, 2015
It isn't a perfect square trinomial. If it were then you would expect that the leading coefficient
We can try matching the first and last coefficients with real numbers...
Alternatively we can match the first two coefficients:
Worse, the discriminant is negative:
This means that
So