Question

Rezolvati inecuatia:
(x-2)(x+3)≥0

Answer 1

x² +3x-2x-6 ≥0 ⇔x² +x -6≥0 (Calculam discriminantul) (25)
⇔x₁ ≥2
    x₂≥ -3
S{-3, 2}