Pls help :)) this question is confusing for me :)

Given:

To find:

The product of the expression.

Solution:

Take out -4 as a common factor in Last two terms.

Make sure the terms in both brackets must be same.

Take out common factor (2y - 5) from both terms.

4 can be written as 2².

Using the identity:

                                .

The product is .