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A²-b²-a-b factorise.. Solve this problem

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To factorize the expression A² - b² - a - b, we can use the difference of squares formula.

The difference of squares formula states that A² - b² can be factored as (A + b)(A - b).

So, applying this formula to our expression, we have:

A² - b² - a - b = (A + b)(A - b) - a - b.

Now, we can combine like terms by distributing (A + b) to (A - b):

(A + b)(A - b) - a - b = A(A - b) + b(A - b) - a - b.

Next, we can further simplify by factoring out the common factor (A - b):

A(A - b) + b(A - b) - a - b = (A + b)(A - b) - (a + b).

Therefore, the fully factorized expression is:

(A + b)(A - b) - (a + b).

Please note that if you have specific values for A, b, a, and b, you can substitute those values into the expression to simplify further.

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