3 years ago

How do you answer this?

Mathematics

1 answer:

lidiya [134]3 years ago

7 0

(a + b)^3 = a^3 + 3a^2b + 3ab^2+ b^3
(a +(- b))^3 = (a-b)^2 = a^3 - 3a^2b + 3ab^2- b^3

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