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Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
I need the bottom part

Simplify the rational expression Find all numbers that must be excluded from the domain of the simplified rational expression I need the bottom part class=

Respuesta :

Answer:

y ≠ 9, y ≠ 3

Step-by-step explanation:

y² -12y +27 = (y - 9) (y - 3)

Denominator ≠ 0

y ≠ 9 or y ≠ 3