Răspuns :
2 - 4x - 6 ≤ 0 <=> - 4 - 4x ≤ 0
- 4 ≤ 4x => x ≥ - 1 |
x € R | => x € [- 1, ∞)
Răspuns:
2-4x-6≤0
2-4x≤6
4x≤2-6
4x≤-4
x≤-1
x=[-1,∞)
coroana?
2 - 4x - 6 ≤ 0 <=> - 4 - 4x ≤ 0
- 4 ≤ 4x => x ≥ - 1 |
x € R | => x € [- 1, ∞)
Răspuns:
2-4x-6≤0
2-4x≤6
4x≤2-6
4x≤-4
x≤-1
x=[-1,∞)
coroana?