" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(1 - x)² < (x + 3)² i (x + 3)² < (x + 5)²
1 - 2x + x² < x² + 6x + 9 i x² + 6x + 9 < x² + 10x + 25
-2x - 6x < 9 - 1 6x - 10x < 25 - 9
-8x < 8 /:(-4) -4x < 16 /:(-4)
x > -1 x > - 4
x > -1
x ∈ (-1; +∞)