Question

Tentukan himpunan selesaian persamaan kuadrat 2x2 – 5x – 3 = 0, jika x ∈ R.
dengan cara

Answer 1

2x² - 5x - 3 = 0
(2x + 1)(x - 3) = 0
x = - 1/2 atau x = 3

Answer 2

2x²-5x-3= 0
(2x+1)(x-3) =0

2x+1 = 0
2x = -1
x = -1/2

x-3= 0
x = 3

HP={3}