Answer:
The factors of tex]36y^2-1[/tex] are 
Step-by-step explanation:
Consider the given expression 
We have to factorize it completely and then place the factors on grid.
Consider the given expression 
We know algebraic identity, 
Using above stated algebraic identity , we have,
can be written as 

Thus, the factors of tex]36y^2-1[/tex] are 
Below attachment shows the placement on grid.