Question

. Factorize: 3 - 81x^3
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Answer 1

Step-by-step explanation:

3 - 81x^3

3(1-27x^3)

3[(1)^3-(3x)^3]

[a^3-b^3=(a-b)(a^2+ab+b^2)]

3(1-3x)(1+3x+9x)

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