Respuesta :
40x² - 62x - 14 = 0 Divido entre 2
20x² - 31x - 7 = 0
4x - 7
5x + 1
4x - 35x = -31x
(4x - 7)(5x +1) = 0
4x - 7 = 0 5x + 1 = 0
4x = - 7 5x = 1
x = -7/4 x = 1/5
CS = (-7/4; 1/5)
Eternamente axllxa
40x² - 62x - 14 = 0 Divido entre 2
20x² - 31x - 7 = 0
4x - 7
5x + 1
4x - 35x = -31x
(4x - 7)(5x +1) = 0
4x - 7 = 0 5x + 1 = 0
4x = - 7 5x = 1
x = -7/4 x = 1/5
CS = (-7/4; 1/5)
Eternamente axllxa