Question

X ao quadrado - 2 a raiz de 5x + 5 = 0

Answer 1

x² -2√5x +5 = 0 => método xô Bhaskara

(x - √5)² = 0

x - √5 = 0

x = √5 ✓

Answer 2

x^2 -2√5 x + 5 = 0

a = 1, b = -2√5, c = 5

delta

d = 20 - 20 = 0

unica raiz

x = √5