Find the HCF of x^2-9 and x^2+x-6.

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

C) x+3

x^2-9 = (x+3)(x-3) and x^2+x-6 = (x+3)(x-2). The common factor is x+3. SLO M-09-A-19 · Understanding

Mathematics MCQ · More Factorization MCQs · Practise