Factorise x^2+13x+36.

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

C) (x+4)(x+9)

Find two numbers with product 36 and sum 13: 4 and 9. So x^2+13x+36 = (x+4)(x+9). SLO M-09-A-18 · Understanding

Mathematics MCQ · More Factorization MCQs · Practise