(x – y + 2) (x^2
+ y^2
+ 4 + xy + 2y – 2x)
Find the following products by using appropriate identities:
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Answer:
(x-y+2)(x²+y²+4+xy+2y-2x)
=x³+(-y)³+2³-3(x)(-y)(2)
=x³-y³+8+6xy
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