(х - 4) (х + 4) = х(х + 8)
x² + 4x - 4x - 16 = x² + 8x
x² + 4x - 4x - 16 - x² - 8x = 0
-8x - 16 = 0
-8x = 16
x = 16 / -8
x = -2
ответ: x = -2
Удачи)
(х - 4) (х + 4) = х(х + 8)
x² + 4x - 4x - 16 = x² + 8x
x² + 4x - 4x - 16 - x² - 8x = 0
-8x - 16 = 0
-8x = 16
x = 16 / -8
x = -2
ответ: x = -2
Удачи)