Answer:
(y-9)(y-2)
Explanation:
-9 and -2 add up to -11 and when multiplied they make a positive 18
Sum = -11
Product = +18
Factors are : 9 , 2
y² - 11y + 18 = y² - 9y -2y + (-9)*(-2)
=y(y - 9) -2(y - 9)
= (y - 9)(y - 2)
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