Question

) simplify: (a-b) (a2 +b2 +ab)-(a+b)(a2 + b2-ab)
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Answer 1

Answer:

2a²+2ab+a²b-2ab-2b²-ab²-(2a²+2aba²b+2ab+2b²-ab²)

2a²+a²b-2b²-ab²-(2a²+4ab-a²b+2b²-ab²)

2a²+a²b-2b²-ab²-2a²-4ab+a²b-2b²+ab²

2a²b-4b²-4ab

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