" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x -9
x +2
(x-9)(x+2)= 0
x-9= 0 x+2 = 0
x = 9 x = -2
CS= (-2; 9)
x² - 7x = 18
x² - 7x - 18 = 0 factorizas trinomio de la forma x² + bx +c
(x - 9)(x + 2) = 0 Tiene 2 soluciones reales
x - 9 = 0
x = 9
o
x + 2 = 0
x = - 2
Solucion.
(9 , -2)