Question

(a + b )(a 2 - ab + b 2)

Answer 1

\[(a + b)(a^2 - ab + b^2)\]

Are you familiar with the FOIL method?

Answer 2

\(a(a^2) + a(-ab)+a(b^2) + b(a^2) + b(-ab) + b(b^2)\)

Answer 3

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Answer 4

so this is a formula what probably you need to learn it sure : sum of two cubes
like in this way sum of two squares : a^2 +b^2