Mathematics

27 + 8x3 in the form of factors is :

  1. (3 + 2x)(9 + 6x + 4x2)

  2. (3 - 2x)(9 + 6x + 4x2)

  3. (3 + 2x)(9 - 6x + 4x2)

  4. (3 - 2x)(9 - 6x + 4x2)

Factorisation

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Answer

Given,

   27 + 8x3

= (3)3 + (2x)3

= (3 + 2x)[(3)2 - 3 × 2x + (2x)2]

= (3 + 2x)(9 - 6x + 4x2)

Hence, Option 3 is the correct option.

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