26z²+1= (2z+1)(13z+2)
26z² + 1 = 26z² + 4z + 13z + 2
26z² - 26z² - 4z - 13z = 2 - 1
- 17z = 1
z = - 1/17
ответ: - 1/17
26z²+1= (2z+1)(13z+2)
26z² + 1 = 26z² + 4z + 13z + 2
26z² - 26z² - 4z - 13z = 2 - 1
- 17z = 1
z = - 1/17
ответ: - 1/17