" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
- 19/6 x= 0/ : -19/6
x = 0
b) 2 ( x² - 2x + 1 ) ≤ 45 - (9+6x+x²) + 3 ( x²-4)
2x²-4x+2 ≤ 45 - 9 - 6x - x² + 3x² - 12 (kwadraty się skracają)
-4x + 6x ≤ 45 - 9 -12 - 2
2x ≤ 22 /:2
x ≤ 11