Question

FORMULA DE BHASKARA 2x=15-x²

Answer 1

2x = 15 - x²

x² + 2x - 15 = 0

1) Letras

a = 1

b = 2

c = - 15

2) Delta/Bhaskara:

∆ = b² - 4ac

∆ = 2² - 4.1.(-15)

∆ = 4 + 60

∆ = 64