y=2+x
x³-y³=-8
x³-(2+y)³=-8
x³-8-12x-6x²-x³=-8
-6x²-12x=0 |÷(-6)
x²+2x=0
x*(x+2)=0
x₁=0 y₁=2+0=2
x₂=-2 y₂=2-2=0
ответ: x₁=0 y₁=2 x₂=-2 y₂=0.
y=2+x
x³-y³=-8
x³-(2+y)³=-8
x³-8-12x-6x²-x³=-8
-6x²-12x=0 |÷(-6)
x²+2x=0
x*(x+2)=0
x₁=0 y₁=2+0=2
x₂=-2 y₂=2-2=0
ответ: x₁=0 y₁=2 x₂=-2 y₂=0.