Question

28 Expand the identities
(x+y)^3 , (x-y)^3​

Answer 1

Answer:

So to find the expansion of (x−y)3, we can replace y with (−y ) in (x+y)3=x2+3x2y+3xy2+y3. This is the required expansion for (x−y)3. Let's now use these identities to factorize polynomials.

Step-by-step explanation:

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