Question

(x2 - 1)(x + 2) ≥ x(x + 1)2

Answer 1

Explicación paso a paso:

(x2 - 1)(x + 2) ≥ x(x + 1)2

x+2≥2x(x+1)

x+2≥2x²+2x

x+2-2x²-2x≥0

-x+2-2x²≥0

-2x²-x+2=0

x=[-1-√17/4,-1+√17/4]