Question

please help me with this:
(a+b)^3-(a-b)^3​

Answer 1

Answer:

(a+b)^3-(a+b)^3=2b×(3a^2+b^2)

Answer 2

a³+b³+3ab(a+b)-[a³-b³-3ab(a-b)]

a³+b³+3a²b+3ab²-a³+b³+3a²b-3ab²

2b³+6a²b

2b(b²+a²)

HOPE IT'S HELPFUL...