Question

Simplify:-
(a+b)³-(a-b)³+6a(a²-b²)​

Answer 1

THE ANSWER IS

$(a+b)^{3}+(a-b)^{3}+6a(a^2-b^2)$

$a^3+b^3+3ab(a+b) + a^3-b^3+3ab(a-b)+6a^3-6ab^2$

$2a^2+6a^2b+6a^3-6ab^2$

$6a^{3}+2a^2+6ab(a-b)$

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