Question

Resolva a inequação:
A)
(X-2) . (X+3) > 0

Answer 1

(×-2).(×+3)>0

×^2+3×-2×-6>0

×^2+×-6>0

∆=1^2-4.1.(-6)

∆=1+24

∆=25

×=-1+-✓25/2

×=-1+-5/2

×'=-1-5/2=-3

×"=-1+5/2=2

S={XeR/-3<x<2}