" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x² + 3x = 28
x² + 3x - 28 = 0 Factorizas trinomio de la forma x² + bx + c
(x + 7)(x - 4) = 0 Tiene como solución dos raices reales
x₁ + 7 = 0
x₁ = - 7
o
x₂ - 4 = 0
x₂ = 4
Solución.
(- 7 , 4)
x +7
x -4
(x+7)(x-4) = 0
x +7 = 0 x - 4 = 0
x = -7 x = 4
CS = (-7; 4)