Skip to content / Đến nội dung
ThichHocToan.com

SMO 2014 Senior Round 1 Question 9

SMO · SMO 2014 Senior Round 1

Question 9

Find the number of real numbers which satisfy the equation $$x|x-1|-4|x|+3=0.$$
  1. 0
  2. 1
  3. 2
  4. 3
  5. 4