Question

baskara de x² + x - 6 = 0

Answer 1

x² + x - 6 = 0

a = 1

b = 1

c = - 6

Δ = b² - 4ac

Δ = 1² - 4.1.(- 6)

Δ = 1 + 24

Δ = 25

x = - b ± √Δ / 2a

x = - 1 ± √25 / 2.1

x = - 1 ± 5 / 2

x' = - 1 + 5 / 2

x' = 4 / 2

x' = 2

x'' = - 1 - 5 / 2

x'' = - 6 / 2

x'' = - 3

Answer 2

Vamos lá.

x² + x - 6 = 0

delta

d² = 1 - 4*1*6 = 25

d = 5

x1 = (-1 + 5)/2 = 4/2 = 2

x2 = (-1 - 5)/2 = -6/2 = -3