Question

Factorise (a+b)³-(a-b)³​

Answer 1

Answer:

2b(b²+3a²)

Step-by-step explanation:

a³+b³+3ab²+3a²b-(a³-b³-3a²b+3ab²)

a³+b³+3ab²+3a²b-a³+b³+3a²b-3ab²

=2b³+6a²b

=2b(b²+3a²)

Answer 2

Answer:

answer

Step-by-step explanation:

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