Respuesta :
x² - 9x + 10 = -4
x² - 9x + 10 + 4 = 0
x² - 9x + 14 = 0
x - 7
x - 2
-2x - 7x = - 9x
(x - 7)(x - 2) = 0
x - 7 = 0 x - 2 = 0
x = 7 x = 2
CS =(2; 7)
Eternamente axllxa
x² - 9x + 10 = -4
x² - 9x + 10 + 4 = 0
x² - 9x + 14 = 0
x - 7
x - 2
-2x - 7x = - 9x
(x - 7)(x - 2) = 0
x - 7 = 0 x - 2 = 0
x = 7 x = 2
CS =(2; 7)
Eternamente axllxa