" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x² -x) (- 4x + 4) ≤ 0
x ( x - 1 ) - 4 ( x - 1) ≤ 0
( x - 1 ) ( x - 4)
x - 1≤ 0 x - 4 ≤ 0
x ≤ 1 x ≤ 4