Question

2 (x+y)cube - 6(x+y)

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Answer 1

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

=2(x+y)[(x+y)^2-3]

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Answer 2

Answer:

2(x+y)(x²+y²+ 2xy -3)

Step-by-step explanation:

2(x+y)³-6(x+y)

Let x+y be taken as=> A

= 2A³-6A

= 2A( A²- 3)

Putting the value of A

= 2(x+y)[(x+y)²-3]

= 2(x+y)(x²+y²+ 2xy -3)

Hope this helps u...