Canceling the right way

Algebra Level 2

Students often make the misconception that an+bn=(a+b)na^n + b^n = (a+b)^n is an identity. But sometimes this equation can be true under specific scenarios.

If a3+b3=(a+b)3a^3 + b^3 = (a+b)^3 , then which of the following must definitely be true?

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