Factorise x^3 + 6x^2 + 12x + 8.

  1. (x - 2)^3
  2. (x + 8)(x^2 + 1)
  3. (x + 2)(x^2 + 4)
  4. (x + 2)^3
Answer

D) (x + 2)^3

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

Mathematics MCQ · More Factorization MCQs · Practise