Question

Himpunan penyelesaian dari (2x + 2) (5x +3) >0 adalah

Answer 1

Step-by-step explanation:

2x² - 5x - 3 = 0

2x² + x - 6x - 3 = 0

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

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

x - 3 = 0

x₁ = 3

2x + 1 = 0

2x = -1

x₂ = -1/2

Himpunan Penyelesaian = {x₁, x₂} = {3, -1/2}