Question

resolva a inequação (2x -6)(3-x)>0

Answer 1

2x - 6 = 0  (I)
2x =6
x = 3

3 - x = 0 (II)
- x = - 3 .(-1)
x = 3

____- __3__ + ________

S = {x ∈ R / x > 3}