Question

simplify using identities and also write the identity - (x+2y)3 - ( x- 2y)3
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Answer 1

Answer:

12y is right answer

Step-by-step explanation:

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Answer 2

Answer:

-(x+2y)3 -(x-2y)3

-(3x+6y) -(3x-6y)

-3x-6y-3x+6y

-6x