Question

Bhaskara de 5X² - 3x - 2=0​

Answer 1

∆ = (-3)² - 4.5.(-2)

∆ = 9 + 40

∆ = 49

$x = \frac{ - ( - 3) + - \sqrt{49} }{2 \times 5}$

$x = \frac{3 + - 7}{10}$

$x = \frac{ 3- 7}{10} \\ x = \frac{3 + 7}{10}$

$x1 = - \frac{2}{5} \\ x2 = 1$