" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x² - 7x + 10 + 1 = x² + 2x + 1 - 6x + 4
x² - 7x + 11 = x² - 4x + 5
11 - 5 = 7x - 4x
6 = 3x
2 = x