Question

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Answer 1

Answer:

Here u go!

y³- 2y²- 9y + 18

y² ( y-2) -9 ( y-2)

(y²-9) (y-2) (y-3)

.

.

[y²-9 → y²= 9 → y= √9= 3]

So,

(y+3) (y-2) (y-3)