Question

What should be added to a³+b³ to get a³-b³

Answer 1

Answer:

Step-by-step explanation:

A^3+b^3+a+b-(a-b)

Answer 2

Answer:-2b^3 should be added

Step-by-step explanation: I will write cube as 3.

A3+b3+X=A3-b3

Transpose

X=-2b3

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