(x – 2)(x + 2) – (x + 4)² = 0
x² – 4 – (x² + 8x + 16) = 0
x² – 4 – x² – 8x – 16 = 0
– 8x – 20 = 0
8х + 20 = 0
8х = –20
х = –(20/8) = –2,5
ответ: –2,5
(x – 2)(x + 2) – (x + 4)² = 0
x² – 4 – (x² + 8x + 16) = 0
x² – 4 – x² – 8x – 16 = 0
– 8x – 20 = 0
8х + 20 = 0
8х = –20
х = –(20/8) = –2,5
ответ: –2,5