Question

me ajudem Por Favor... X ao quadrado +X =0

Answer 1

x² + x = 0

Formula de Bhaskara

Δ = b²−4ac

Δ = (1)²−4⋅1⋅0

Δ = 1 + 0

Δ = 1

x = -b ± √Δ / 2a

x = -1 ± √1 / 2.1

x = -1 ± 1 / 2

x' = -1 - 1 / 2

x' = -2 / 2

x' = -1

x'' = -1 + 1 / 2

x'' = 0 / 2

x'' = 0


S = {-1, 0}