Answer:
[tex](y-1.5)^2[/tex]
Step-by-step explanation:
I’m guessing you want a perfect square trinomial.
b=-3
[tex]\frac{b}{2}=-1.5[/tex]
[tex](-1.5)^2=2.25[/tex]
You need to add 2.25 to the binomial to create a perfect square trinomial.
