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Explanation
36 (x – y)^3 – 18 (x – y)^2
Let’s, (x – y) = a
Then, 36a^3 – 18a^2
\rightarrow 18a^2 (2a – 1)
\therefore\ Put the value we get,
\rightarrow\ 18(x – y)2 {2(x – y) – 1}
\rightarrow\ 18 (x – y)^2 (2x – 2y – 1)
Ans: 18 (x – y)2 (2x – 2y – 1).
