" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x² - 2x + 8 = 2x² - 3x - 4
x² - 2x² - 2x + 3x + 8 + 4 = 0
-x² + x + 12 = 0
-(x² - x - 12) = 0
-(x - 4)(x + 3) = 0
x = 4 atau -3