Answer:
 The polynomial whose factored form is  
 is  
Step-by-step explanation:
Given : Factored form of a polynomial as 
We have to find the polynomial whose factored form is  
Consider the given expression  

We have, 

Thus, Applying algebraic identity,  ,  we have,
,  we have,
a = 2y and b = 9 
Thus,  
Simplify, we have,
 
Thus, The polynomial whose factored form is  
 is  