Question

one of the factors of (x-y)^2-4(x-y)-45​

Answer 1

Given (x - y)^2 - 4(x - y) - 45 can be written as

         x^2 - 2xy - 4x + y^2 + 4y - 45

        (x - y - 9) ( x - y + 5)

       x - y = 9 (or) x - y = -5.

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Answer 2

Step-by-step explanation:

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