x² - 3x -4 = 0
Δ = 9 + 16 = 25
x₁ = (3 - 25)/2 = - 22/2 = - 11
x₂ = (3 + 25)/2 = 28/2 = 14
x = - 11 lub x = 14
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x² - 3x -4 = 0
Δ = 9 + 16 = 25
x₁ = (3 - 25)/2 = - 22/2 = - 11
x₂ = (3 + 25)/2 = 28/2 = 14
x = - 11 lub x = 14