" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x² - 18 = 0
2(x² - 9) = 0
2(x + 3)(x - 3) = 0
2)
x² + 3x = 0
x(x + 3) = 0
2(x² - 9) = 0
2((x + 3)(x-3)) = 0
(x + 3)(x - 3) = 0
x1 = -3 / x2 = 3
2. x² + 3x = 0
x(x + 3) = 0
x1 = 0 / x2 = -3