Решите ) (x-1)^3-(x+1)^3>4+3x^2

Question

Решите )
(x-1)^3-(x+1)^3>4+3x^2

Answer 1

X3-3x2+3x-1-(x3+3x2+3x+1)>4+3x2
x3-3x2+3x-1-x3-3x2-3x-1>4+3x2
-6x2-2>4+3x2
-6x2-3x2>4+2
-9x2>6