Question

please solve this question

Answer 1

first,apply the cube formula ie. a^3 + b^3 + c^3 = 3abc if a + b +c = 0
then the second formula, a^2-b^2 = (a+b )(a-b)

Answer 2

(a +b)(b +c ) (c+a) is the correct answer.
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Use formula a^3 +b^3 +c^3 = (a +b+ c)^3 -3abc
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