Factorise 8x^3 + 27.

  1. (2x + 3)^3
  2. (2x + 3)(4x^2 - 6x + 9)
  3. (2x + 3)(4x^2 + 6x + 9)
  4. (2x - 3)(4x^2 + 6x + 9)
Answer

B) (2x + 3)(4x^2 - 6x + 9)

a^3 + b^3 = (a + b)(a^2 - ab + b^2) with a = 2x, b = 3. SLO M-09-A-18 · Understanding

Mathematics MCQ · More Factorization MCQs · Practise