" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2(x² - 6x + 9) + x - (x² - 10x + 25) > x² - 4 + 3
2x² - 12x + 18 + x - x² + 10x - 25 > x² - 1
x² - x + 18 > x² - 1
x² - x² - x > - 1 - 18
- x > - 19
x < 19
2x*-6*+x-x*-5*>x*+2x-2x-4x+3
4x>25 / 4
x>6,24
gwiazdki to do kwadratu oznaczone