Question

Tentukan himpunan penyelesaian 2x² + 3x - 5 = 0
tolong dikumpulin buat besok....

Answer 1

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

Maka HP

2x = -5
  x = 

atau

x = 1

HP = {, 1}