Question

subtract a³+3a²b-5ab²-2b³ from b³-a³-3ab²-2a²b​

Answer 1

Answer:

b³-a³-3ab²-2a²b – ( a³+3a²b-5ab²-2b³)

By solving the brackets the signs get changed

b³- a³ - 3ab² - 2a²b - a³ - 3a²b + 5ab² + 2b³

by taking like terms close for our ease

b³ +2b³ - a³ - a³ - 3ab² + 5ab² - 2a²b - 3a²b

3b³ - 2a³ + 2ab² - 5a²b

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Answer 2

Answer:

a³-2a²b+3ab²-b³,2a³-5ab²+3a²b-4b³