himpunan penyelesaian real pertidaksamaan x2+4x-5<_0 =

x² + 4x - 5 ≤ 0
(x + 5)(x - 1) ≤ 0

x + 5 ≥ 0
x ≥ - 5

x - 1 ≤ 0
x ≤ 1

Hp = {-5 ≤ x ≤ 1}

Bab Pertidaksamaan Kuadrat
Matematika SMP Kelas VIII

x² + 4x - 5 <= 0
(x + 5) (x - 1) <= 0
-5 <= x <= 1

HP = { x | -5 <= x <= 1, x € bilangan real }