# How do you know if #144a^2 -96a + 16# is a perfect square trinomial and how do you factor it?

##### 1 Answer

Jun 10, 2015

Yes, it is:

#### Explanation:

We can simplify by deviding all the cohefficients by 16:

Now we notice that the -6a could be a double product between -1 and 3a:

So it is a perfect square trinomial.