............
Объяснение:
........
(5a⁴-8) (5a⁴+8)
x(x-1) -y(y+1) =(x-1) (x-y) (y+1)
(y-2) (y+2) -a(a-4)
............
Объяснение:
........
(5a⁴-8) (5a⁴+8)
x(x-1) -y(y+1) =(x-1) (x-y) (y+1)
(y-2) (y+2) -a(a-4)