How do you determine whether #25x^2-60x+36# is a perfect square trinomial?
Can the trinomial be factored into two identical binomials.
The answer is yes it can
Look for the clues as described below.
If the trinomial is a perfect square trinomial, there will be some properties to check for.
#a and c#must be perfect squares, with plus signs
- check whether
#b =2 xx sqrta xx sqrt c#
In this case:
Therefore we know that
It will factorise as: