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what must be added to y^2-3y​

Sagot :

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.