What is the correct description for the polynomial? (x²-6x+9)

difference of two squares,
general trinomial,
perfect square trinomial,
prime

1 Answer
Rhys
Apr 3, 2018

#color(red)( " perfect square trinomial " ) #

Explanation:

you can factorise #x^2-6x+9 #

#=> x^2 -6x + 9 = (x-3)(x-3) = (x-3)^2 #

This will always just be a square of a number...

#color(red)( " perfect square trinomial " ) #

Related questions
Impact of this question
688 views around the world
You can reuse this answer
Creative Commons License