" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2 l ↓ 2 4 -30
-----------------------------
l 1 2 -15 l 0
-5 l ↓ -5 15
----------------------
l 1 -3 l 0
3 l ↓ 3
---------------
l 1 l 0
(x-2) (x+5) (x-3)