1.

Factorization a^3+b^3-3a-3b​

Answer»

ANSWER:

(a³+b³)-3a-3b

=(a+b)(a²-ab+b²)-3(a+b)

SINCE a³+b³=(a+b)(a²-ab+b²)

=(a+b)(a²-ab+b²-3)

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