Question

factorize
$a - 3b + {a}^{3} - {27b}^{3}$
​

Answer 1

Answer:

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Answer 2

Answer:

(a-3b)(1+a^2+3ab+9b^2)

Step-by-step explanation:

(a-3b)+(a-3b)(a^2+3ab+9b^2)

=(a-3b)(1+a^2+3ab+9b^2)